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crc: Create a combined crc32 check test

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Change-Id: Idae7634007363cfb59cca15270bd82c37fae26ea
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
This commit is contained in:
Roy Oursler 2017-12-21 16:32:12 -07:00
parent 148898c6ba
commit 3371542dce
6 changed files with 300 additions and 525 deletions
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6
Makefile.nmake
View File

@ -204,11 +204,9 @@ checks = \
pq_check_test.exe \
crc16_t10dif_test.exe \
crc16_t10dif_copy_test.exe \
crc32_ieee_test.exe \
crc32_iscsi_test.exe \
crc32_funcs_test.exe \
crc64_funcs_test.exe \
igzip_rand_test.exe \
crc32_gzip_refl_test.exe
igzip_rand_test.exe
checks: lib $(checks)
$(checks): $(@B).obj

5
crc/Makefile.am
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@ -57,9 +57,10 @@ extern_hdrs += include/crc.h include/crc64.h
other_src += include/reg_sizes.asm include/types.h include/test.h
check_tests += crc/crc16_t10dif_test crc/crc32_ieee_test crc/crc32_iscsi_test \
check_tests += crc/crc16_t10dif_test \
crc/crc16_t10dif_copy_test \
crc/crc64_funcs_test crc/crc32_gzip_refl_test
crc/crc64_funcs_test \
crc/crc32_funcs_test
perf_tests += crc/crc16_t10dif_perf crc/crc16_t10dif_copy_perf \
crc/crc16_t10dif_op_perf \

295
crc/crc32_funcs_test.c Normal file
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@ -0,0 +1,295 @@
/**********************************************************************
Copyright(c) 2011-2018 Intel Corporation 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include "crc.h"
#include "types.h"
#ifndef TEST_SEED
# define TEST_SEED 0x1234
#endif
#define MAX_BUF 512
#define TEST_SIZE 20
typedef uint32_t(*crc32_func_t) (uint32_t, const uint8_t *, uint64_t);
typedef uint32_t(*crc32_func_t_base) (uint32_t, uint8_t *, uint64_t);
typedef struct func_case {
char *note;
crc32_func_t crc32_func_call;
crc32_func_t_base crc32_ref_call;
} func_case_t;
uint32_t crc32_iscsi_wrap(uint32_t seed, const uint8_t * buf, uint64_t len)
{
return crc32_iscsi((uint8_t *) buf, len, seed);
}
uint32_t crc32_iscsi_base_wrap(uint32_t seed, uint8_t * buf, uint64_t len)
{
return crc32_iscsi_base(buf, len, seed);
}
func_case_t test_funcs[] = {
{"crc32_ieee", crc32_ieee, crc32_ieee_base}
,
{"crc32_gzip_refl", crc32_gzip_refl, crc32_gzip_refl_base}
,
{"crc32_iscsi", crc32_iscsi_wrap, crc32_iscsi_base_wrap}
};
// Generates pseudo-random data
void rand_buffer(unsigned char *buf, long buffer_size)
{
long i;
for (i = 0; i < buffer_size; i++)
buf[i] = rand();
}
// Test cases
int zeros_test(func_case_t * test_func);
int simple_pattern_test(func_case_t * test_func);
int seeds_sizes_test(func_case_t * test_func);
int eob_test(func_case_t * test_func);
int update_test(func_case_t * test_func);
int verbose = 0;
void *buf_alloc = NULL;
int main(int argc, char *argv[])
{
int fail = 0, fail_case;
int i, ret;
func_case_t *test_func;
verbose = argc - 1;
// Align to MAX_BUF boundary
ret = posix_memalign(&buf_alloc, MAX_BUF, MAX_BUF * TEST_SIZE);
if (ret) {
printf("alloc error: Fail");
return -1;
}
srand(TEST_SEED);
printf("CRC32 Tests\n");
for (i = 0; i < sizeof(test_funcs) / sizeof(test_funcs[0]); i++) {
fail_case = 0;
test_func = &test_funcs[i];
printf("Test %s ", test_func->note);
fail_case += zeros_test(test_func);
fail_case += simple_pattern_test(test_func);
fail_case += seeds_sizes_test(test_func);
fail_case += eob_test(test_func);
fail_case += update_test(test_func);
printf("Test %s done: %s\n", test_func->note, fail_case ? "Fail" : "Pass");
if (fail_case) {
printf("\n%s Failed %d tests\n", test_func->note, fail_case);
fail++;
}
}
printf("CRC32 Tests all done: %s\n", fail ? "Fail" : "Pass");
return fail;
}
// Test of all zeros
int zeros_test(func_case_t * test_func)
{
uint32_t crc, crc_ref;
int fail = 0;
unsigned char *buf = NULL;
buf = (unsigned char *)buf_alloc;
memset(buf, 0, MAX_BUF * 10);
crc = test_func->crc32_func_call(TEST_SEED, buf, MAX_BUF * 10);
crc_ref = test_func->crc32_ref_call(TEST_SEED, buf, MAX_BUF * 10);
if (crc != crc_ref) {
fail++;
printf("\n opt ref\n");
printf(" ------ ------\n");
printf("crc zero = 0x%8x 0x%8x \n", crc, crc_ref);
} else
printf(".");
return fail;
}
// Another simple test pattern
int simple_pattern_test(func_case_t * test_func)
{
uint32_t crc, crc_ref;
int fail = 0;
unsigned char *buf = NULL;
buf = (unsigned char *)buf_alloc;
memset(buf, 0x8a, MAX_BUF);
crc = test_func->crc32_func_call(TEST_SEED, buf, MAX_BUF);
crc_ref = test_func->crc32_ref_call(TEST_SEED, buf, MAX_BUF);
if (crc != crc_ref)
fail++;
if (verbose)
printf("crc all 8a = 0x%8x 0x%8x\n", crc, crc_ref);
else
printf(".");
return fail;
}
int seeds_sizes_test(func_case_t * test_func)
{
uint32_t crc, crc_ref;
int fail = 0;
int i;
uint64_t r, s;
unsigned char *buf = NULL;
// Do a few random tests
buf = (unsigned char *)buf_alloc; //reset buf
r = rand();
rand_buffer(buf, MAX_BUF * TEST_SIZE);
for (i = 0; i < TEST_SIZE; i++) {
crc = test_func->crc32_func_call(r, buf, MAX_BUF);
crc_ref = test_func->crc32_ref_call(r, buf, MAX_BUF);
if (crc != crc_ref)
fail++;
if (verbose)
printf("crc rand%3d = 0x%8x 0x%8x\n", i, crc, crc_ref);
else
printf(".");
buf += MAX_BUF;
}
// Do a few random sizes
buf = (unsigned char *)buf_alloc; //reset buf
r = rand();
for (i = MAX_BUF; i >= 0; i--) {
crc = test_func->crc32_func_call(r, buf, i);
crc_ref = test_func->crc32_ref_call(r, buf, i);
if (crc != crc_ref) {
fail++;
printf("fail random size%i 0x%8x 0x%8x\n", i, crc, crc_ref);
} else
printf(".");
}
// Try different seeds
for (s = 0; s < 20; s++) {
buf = (unsigned char *)buf_alloc; //reset buf
r = rand(); // just to get a new seed
rand_buffer(buf, MAX_BUF * TEST_SIZE); // new pseudo-rand data
if (verbose)
printf("seed = 0x%lx\n", r);
for (i = 0; i < TEST_SIZE; i++) {
crc = test_func->crc32_func_call(r, buf, MAX_BUF);
crc_ref = test_func->crc32_ref_call(r, buf, MAX_BUF);
if (crc != crc_ref)
fail++;
if (verbose)
printf("crc rand%3d = 0x%8x 0x%8x\n", i, crc, crc_ref);
else
printf(".");
buf += MAX_BUF;
}
}
return fail;
}
// Run tests at end of buffer
int eob_test(func_case_t * test_func)
{
uint32_t crc, crc_ref;
int fail = 0;
int i;
unsigned char *buf = NULL;
buf = (unsigned char *)buf_alloc; //reset buf
buf = buf + ((MAX_BUF - 1) * TEST_SIZE); //Line up TEST_SIZE from end
for (i = 0; i < TEST_SIZE; i++) {
crc = test_func->crc32_func_call(TEST_SEED, buf + i, TEST_SIZE - i);
crc_ref = test_func->crc32_ref_call(TEST_SEED, buf + i, TEST_SIZE - i);
if (crc != crc_ref)
fail++;
if (verbose)
printf("crc eob rand%3d = 0x%8x 0x%8x\n", i, crc, crc_ref);
else
printf(".");
}
return fail;
}
int update_test(func_case_t * test_func)
{
uint32_t crc, crc_ref;
int fail = 0;
int i;
uint64_t r;
unsigned char *buf = NULL;
buf = (unsigned char *)buf_alloc; //reset buf
r = rand();
// Process the whole buf with reference func single call.
crc_ref = test_func->crc32_ref_call(r, buf, MAX_BUF * TEST_SIZE);
// Process buf with update method.
for (i = 0; i < TEST_SIZE; i++) {
crc = test_func->crc32_func_call(r, buf, MAX_BUF);
// Update crc seeds and buf pointer.
r = crc;
buf += MAX_BUF;
}
if (crc != crc_ref)
fail++;
if (verbose)
printf("crc rand%3d = 0x%8x 0x%8x\n", i, crc, crc_ref);
else
printf(".");
return fail;
}

174
crc/crc32_gzip_refl_test.c
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@ -1,174 +0,0 @@
/**********************************************************************
Copyright(c) 2011-2017 Intel Corporation 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include "crc.h"
#include "types.h"
#ifndef TEST_SEED
# define TEST_SEED 0x1234
#endif
#define MAX_BUF 512
#define TEST_SIZE 20
typedef uint64_t u64;
typedef uint32_t u32;
typedef uint16_t u16;
typedef uint8_t u8;
// Generates pseudo-random data
void rand_buffer(unsigned char *buf, long buffer_size)
{
long i;
for (i = 0; i < buffer_size; i++)
buf[i] = rand();
}
int main(int argc, char *argv[])
{
int fail = 0;
u32 r;
int verbose = argc - 1;
int i, s, ret;
void *buf_alloc;
unsigned char *buf;
printf("Test crc32_gzip_refl ");
// Align to MAX_BUF boundary
ret = posix_memalign(&buf_alloc, MAX_BUF, MAX_BUF * TEST_SIZE);
if (ret) {
printf("alloc error: Fail");
return -1;
}
buf = (unsigned char *)buf_alloc;
srand(TEST_SEED);
// Test of all zeros
memset(buf, 0, MAX_BUF * 10);
u32 crc = crc32_gzip_refl(TEST_SEED, buf, MAX_BUF);
u32 crc_ref = crc32_gzip_refl_base(TEST_SEED, buf, MAX_BUF);
if (crc != crc_ref) {
fail++;
printf("\n opt ref\n");
printf(" ------ ------\n");
printf("crc zero = 0x%8x 0x%8x \n", crc, crc_ref);
} else
printf(".");
// Another simple test pattern
memset(buf, 0x8a, MAX_BUF);
crc = crc32_gzip_refl(TEST_SEED, buf, MAX_BUF);
crc_ref = crc32_gzip_refl_base(TEST_SEED, buf, MAX_BUF);
if (crc != crc_ref)
fail++;
if (verbose)
printf("crc all 8a = 0x%8x 0x%8x\n", crc, crc_ref);
else
printf(".");
// Do a few random tests
r = rand();
rand_buffer(buf, MAX_BUF * TEST_SIZE);
for (i = 0; i < TEST_SIZE; i++) {
crc = crc32_gzip_refl(r, buf, MAX_BUF);
crc_ref = crc32_gzip_refl_base(r, buf, MAX_BUF);
if (crc != crc_ref)
fail++;
if (verbose)
printf("crc rand%3d = 0x%8x 0x%8x\n", i, crc, crc_ref);
else
printf(".");
buf += MAX_BUF;
}
// Do a few random sizes
buf = (unsigned char *)buf_alloc; //reset buf
r = rand();
for (i = MAX_BUF; i >= 0; i--) {
crc = crc32_gzip_refl(r, buf, i);
crc_ref = crc32_gzip_refl_base(r, buf, i);
if (crc != crc_ref) {
fail++;
printf("fail random size%i 0x%8x 0x%8x\n", i, crc, crc_ref);
} else
printf(".");
}
// Try different seeds
for (s = 0; s < 20; s++) {
buf = (unsigned char *)buf_alloc; //reset buf
r = rand(); // just to get a new seed
rand_buffer(buf, MAX_BUF * TEST_SIZE); // new pseudo-rand data
if (verbose)
printf("seed = 0x%x\n", r);
for (i = 0; i < TEST_SIZE; i++) {
crc = crc32_gzip_refl(r, buf, MAX_BUF);
crc_ref = crc32_gzip_refl_base(r, buf, MAX_BUF);
if (crc != crc_ref)
fail++;
if (verbose)
printf("crc rand%3d = 0x%8x 0x%8x\n", i, crc, crc_ref);
else
printf(".");
buf += MAX_BUF;
}
}
// Run tests at end of buffer
buf = (unsigned char *)buf_alloc; //reset buf
buf = buf + ((MAX_BUF - 1) * TEST_SIZE); //Line up TEST_SIZE from end
for (i = 0; i < TEST_SIZE; i++) {
crc = crc32_gzip_refl(TEST_SEED, buf + i, TEST_SIZE - i);
crc_ref = crc32_gzip_refl_base(TEST_SEED, buf + i, TEST_SIZE - i);
if (crc != crc_ref)
fail++;
if (verbose)
printf("crc eob rand%3d = 0x%4x 0x%4x\n", i, crc, crc_ref);
else
printf(".");
}
printf("Test done: %s\n", fail ? "Fail" : "Pass");
if (fail)
printf("\nFailed %d tests\n", fail);
return fail;
}

174
crc/crc32_ieee_test.c
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@ -1,174 +0,0 @@
/**********************************************************************
Copyright(c) 2011-2015 Intel Corporation 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include "crc.h"
#include "types.h"
#ifndef TEST_SEED
# define TEST_SEED 0x1234
#endif
#define MAX_BUF 512
#define TEST_SIZE 20
typedef uint64_t u64;
typedef uint32_t u32;
typedef uint16_t u16;
typedef uint8_t u8;
// Generates pseudo-random data
void rand_buffer(unsigned char *buf, long buffer_size)
{
long i;
for (i = 0; i < buffer_size; i++)
buf[i] = rand();
}
int main(int argc, char *argv[])
{
int fail = 0;
u32 r;
int verbose = argc - 1;
int i, s, ret;
void *buf_alloc;
unsigned char *buf;
printf("Test crc32_ieee ");
// Align to MAX_BUF boundary
ret = posix_memalign(&buf_alloc, MAX_BUF, MAX_BUF * TEST_SIZE);
if (ret) {
printf("alloc error: Fail");
return -1;
}
buf = (unsigned char *)buf_alloc;
srand(TEST_SEED);
// Test of all zeros
memset(buf, 0, MAX_BUF * 10);
u32 crc = crc32_ieee(TEST_SEED, buf, MAX_BUF);
u32 crc_ref = crc32_ieee_base(TEST_SEED, buf, MAX_BUF);
if (crc != crc_ref) {
fail++;
printf("\n opt ref\n");
printf(" ------ ------\n");
printf("crc zero = 0x%8x 0x%8x \n", crc, crc_ref);
} else
printf(".");
// Another simple test pattern
memset(buf, 0x8a, MAX_BUF);
crc = crc32_ieee(TEST_SEED, buf, MAX_BUF);
crc_ref = crc32_ieee_base(TEST_SEED, buf, MAX_BUF);
if (crc != crc_ref)
fail++;
if (verbose)
printf("crc all 8a = 0x%8x 0x%8x\n", crc, crc_ref);
else
printf(".");
// Do a few random tests
r = rand();
rand_buffer(buf, MAX_BUF * TEST_SIZE);
for (i = 0; i < TEST_SIZE; i++) {
crc = crc32_ieee(r, buf, MAX_BUF);
crc_ref = crc32_ieee_base(r, buf, MAX_BUF);
if (crc != crc_ref)
fail++;
if (verbose)
printf("crc rand%3d = 0x%8x 0x%8x\n", i, crc, crc_ref);
else
printf(".");
buf += MAX_BUF;
}
// Do a few random sizes
buf = (unsigned char *)buf_alloc; //reset buf
r = rand();
for (i = MAX_BUF; i >= 0; i--) {
crc = crc32_ieee(r, buf, i);
crc_ref = crc32_ieee_base(r, buf, i);
if (crc != crc_ref) {
fail++;
printf("fail random size%i 0x%8x 0x%8x\n", i, crc, crc_ref);
} else
printf(".");
}
// Try different seeds
for (s = 0; s < 20; s++) {
buf = (unsigned char *)buf_alloc; //reset buf
r = rand(); // just to get a new seed
rand_buffer(buf, MAX_BUF * TEST_SIZE); // new pseudo-rand data
if (verbose)
printf("seed = 0x%x\n", r);
for (i = 0; i < TEST_SIZE; i++) {
crc = crc32_ieee(r, buf, MAX_BUF);
crc_ref = crc32_ieee_base(r, buf, MAX_BUF);
if (crc != crc_ref)
fail++;
if (verbose)
printf("crc rand%3d = 0x%8x 0x%8x\n", i, crc, crc_ref);
else
printf(".");
buf += MAX_BUF;
}
}
// Run tests at end of buffer
buf = (unsigned char *)buf_alloc; //reset buf
buf = buf + ((MAX_BUF - 1) * TEST_SIZE); //Line up TEST_SIZE from end
for (i = 0; i < TEST_SIZE; i++) {
crc = crc32_ieee(TEST_SEED, buf + i, TEST_SIZE - i);
crc_ref = crc32_ieee_base(TEST_SEED, buf + i, TEST_SIZE - i);
if (crc != crc_ref)
fail++;
if (verbose)
printf("crc eob rand%3d = 0x%4x 0x%4x\n", i, crc, crc_ref);
else
printf(".");
}
printf("Test done: %s\n", fail ? "Fail" : "Pass");
if (fail)
printf("\nFailed %d tests\n", fail);
return fail;
}

171
crc/crc32_iscsi_test.c
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@ -1,171 +0,0 @@
/**********************************************************************
Copyright(c) 2011-2015 Intel Corporation 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 <stdio.h>
#include <stdlib.h>
#include "crc.h"
#include "types.h"
unsigned long crc32_table_iscsi[256] = {
0x00000000, 0xF26B8303, 0xE13B70F7, 0x1350F3F4,
0xC79A971F, 0x35F1141C, 0x26A1E7E8, 0xD4CA64EB,
0x8AD958CF, 0x78B2DBCC, 0x6BE22838, 0x9989AB3B,
0x4D43CFD0, 0xBF284CD3, 0xAC78BF27, 0x5E133C24,
0x105EC76F, 0xE235446C, 0xF165B798, 0x030E349B,
0xD7C45070, 0x25AFD373, 0x36FF2087, 0xC494A384,
0x9A879FA0, 0x68EC1CA3, 0x7BBCEF57, 0x89D76C54,
0x5D1D08BF, 0xAF768BBC, 0xBC267848, 0x4E4DFB4B,
0x20BD8EDE, 0xD2D60DDD, 0xC186FE29, 0x33ED7D2A,
0xE72719C1, 0x154C9AC2, 0x061C6936, 0xF477EA35,
0xAA64D611, 0x580F5512, 0x4B5FA6E6, 0xB93425E5,
0x6DFE410E, 0x9F95C20D, 0x8CC531F9, 0x7EAEB2FA,
0x30E349B1, 0xC288CAB2, 0xD1D83946, 0x23B3BA45,
0xF779DEAE, 0x05125DAD, 0x1642AE59, 0xE4292D5A,
0xBA3A117E, 0x4851927D, 0x5B016189, 0xA96AE28A,
0x7DA08661, 0x8FCB0562, 0x9C9BF696, 0x6EF07595,
0x417B1DBC, 0xB3109EBF, 0xA0406D4B, 0x522BEE48,
0x86E18AA3, 0x748A09A0, 0x67DAFA54, 0x95B17957,
0xCBA24573, 0x39C9C670, 0x2A993584, 0xD8F2B687,
0x0C38D26C, 0xFE53516F, 0xED03A29B, 0x1F682198,
0x5125DAD3, 0xA34E59D0, 0xB01EAA24, 0x42752927,
0x96BF4DCC, 0x64D4CECF, 0x77843D3B, 0x85EFBE38,
0xDBFC821C, 0x2997011F, 0x3AC7F2EB, 0xC8AC71E8,
0x1C661503, 0xEE0D9600, 0xFD5D65F4, 0x0F36E6F7,
0x61C69362, 0x93AD1061, 0x80FDE395, 0x72966096,
0xA65C047D, 0x5437877E, 0x4767748A, 0xB50CF789,
0xEB1FCBAD, 0x197448AE, 0x0A24BB5A, 0xF84F3859,
0x2C855CB2, 0xDEEEDFB1, 0xCDBE2C45, 0x3FD5AF46,
0x7198540D, 0x83F3D70E, 0x90A324FA, 0x62C8A7F9,
0xB602C312, 0x44694011, 0x5739B3E5, 0xA55230E6,
0xFB410CC2, 0x092A8FC1, 0x1A7A7C35, 0xE811FF36,
0x3CDB9BDD, 0xCEB018DE, 0xDDE0EB2A, 0x2F8B6829,
0x82F63B78, 0x709DB87B, 0x63CD4B8F, 0x91A6C88C,
0x456CAC67, 0xB7072F64, 0xA457DC90, 0x563C5F93,
0x082F63B7, 0xFA44E0B4, 0xE9141340, 0x1B7F9043,
0xCFB5F4A8, 0x3DDE77AB, 0x2E8E845F, 0xDCE5075C,
0x92A8FC17, 0x60C37F14, 0x73938CE0, 0x81F80FE3,
0x55326B08, 0xA759E80B, 0xB4091BFF, 0x466298FC,
0x1871A4D8, 0xEA1A27DB, 0xF94AD42F, 0x0B21572C,
0xDFEB33C7, 0x2D80B0C4, 0x3ED04330, 0xCCBBC033,
0xA24BB5A6, 0x502036A5, 0x4370C551, 0xB11B4652,
0x65D122B9, 0x97BAA1BA, 0x84EA524E, 0x7681D14D,
0x2892ED69, 0xDAF96E6A, 0xC9A99D9E, 0x3BC21E9D,
0xEF087A76, 0x1D63F975, 0x0E330A81, 0xFC588982,
0xB21572C9, 0x407EF1CA, 0x532E023E, 0xA145813D,
0x758FE5D6, 0x87E466D5, 0x94B49521, 0x66DF1622,
0x38CC2A06, 0xCAA7A905, 0xD9F75AF1, 0x2B9CD9F2,
0xFF56BD19, 0x0D3D3E1A, 0x1E6DCDEE, 0xEC064EED,
0xC38D26C4, 0x31E6A5C7, 0x22B65633, 0xD0DDD530,
0x0417B1DB, 0xF67C32D8, 0xE52CC12C, 0x1747422F,
0x49547E0B, 0xBB3FFD08, 0xA86F0EFC, 0x5A048DFF,
0x8ECEE914, 0x7CA56A17, 0x6FF599E3, 0x9D9E1AE0,
0xD3D3E1AB, 0x21B862A8, 0x32E8915C, 0xC083125F,
0x144976B4, 0xE622F5B7, 0xF5720643, 0x07198540,
0x590AB964, 0xAB613A67, 0xB831C993, 0x4A5A4A90,
0x9E902E7B, 0x6CFBAD78, 0x7FAB5E8C, 0x8DC0DD8F,
0xE330A81A, 0x115B2B19, 0x020BD8ED, 0xF0605BEE,
0x24AA3F05, 0xD6C1BC06, 0xC5914FF2, 0x37FACCF1,
0x69E9F0D5, 0x9B8273D6, 0x88D28022, 0x7AB90321,
0xAE7367CA, 0x5C18E4C9, 0x4F48173D, 0xBD23943E,
0xF36E6F75, 0x0105EC76, 0x12551F82, 0xE03E9C81,
0x34F4F86A, 0xC69F7B69, 0xD5CF889D, 0x27A40B9E,
0x79B737BA, 0x8BDCB4B9, 0x988C474D, 0x6AE7C44E,
0xBE2DA0A5, 0x4C4623A6, 0x5F16D052, 0xAD7D5351,
};
#define PAGESIZE 10240
int main(void)
{
unsigned int i, j, good, test, init_crc = 1;
printf("crc32_iscsi_test: ");
unsigned char *q_buf = malloc(PAGESIZE);
if (q_buf == NULL) {
printf("alloc of q_buf failed\n");
return -1;
}
// fill q_buf with semi-random data
for (i = 0; i < PAGESIZE; i++)
q_buf[i] = (unsigned char)(i ^ (13 + (i >> 8)) ^ ((i >> 16) - 13));
// Test case 1: Compare against base/simple crc32 implementation and
// try all offsets/alignments of buffer.
for (j = 0; j < 128; j++) {
for (i = 0; i < PAGESIZE - j; i++) {
good = crc32_iscsi_base(q_buf + j, i, -1);
test = crc32_iscsi(q_buf + j, i, -1);
if (good != test) {
printf("Error for size %d offset %d, %08X should be %08X\n",
i, j, test, good);
return -1;
}
} // end for i
putchar('.');
fflush(0);
} // end for j
// Test case 2: Also vary initial CRC
for (j = 0; j < 128; j++) { // do all offsets
for (i = 0; i < PAGESIZE - j; i++) {
good = crc32_iscsi_base(q_buf + j, i, init_crc);
test = crc32_iscsi(q_buf + j, i, init_crc);
if (good != test) {
printf("Error for size %d offset %d, %08X should be %08X\n",
i, j, test, good);
return -1;
}
// modify init_crc semi-randomly
init_crc ^= 1 << ((i * 3 + j * 5) & 31);
} // end for i
putchar('.');
fflush(0);
} // end for j
// Test case 3: do end of buffer
for (i = 0; i < PAGESIZE; i++) {
good = crc32_iscsi_base(q_buf + i, PAGESIZE - i, -1);
test = crc32_iscsi(q_buf + i, PAGESIZE - i, -1);
if (good != test) {
printf("Error for size %d at eob, %08X should be %08X\n",
i, test, good);
return -1;
}
} // end for i
putchar('.');
fflush(0);
printf("Pass\n");
return 0;
}