cryptodev-linux/tests/speed.c at master · cryptodev-linux/cryptodev-linux · GitHub

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/* cryptodev_test - simple benchmark tool for cryptodev

* This program is free software; you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation; either version 2 of the License, or

* (at your option) any later version.

* 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

#include <fcntl.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <unistd.h>

#include <sys/ioctl.h>

#include <sys/time.h>

#include <sys/types.h>

#include <signal.h>

#include <crypto/cryptodev.h>

static int si = 1; /* SI by default */

static double udifftimeval(struct timeval start, struct timeval end)

{

return (double)(end.tv_usec - start.tv_usec) +

(double)(end.tv_sec - start.tv_sec) * 1000 * 1000;

}

static volatile int must_finish;

static void alarm_handler(int signo)

{

must_finish = 1;

}

static char *units[] = { "", "Ki", "Mi", "Gi", "Ti", 0};

static char *si_units[] = { "", "K", "M", "G", "T", 0};

static void value2human(int si, double bytes, double time, double* data, double* speed,char* metric)

{

int unit = 0;

*data = bytes;

if (si) {

while (*data > 1000 && si_units[unit + 1]) {

*data /= 1000;

unit++;

}

*speed = *data / time;

sprintf(metric, "%sB", si_units[unit]);

} else {

while (*data > 1024 && units[unit + 1]) {

*data /= 1024;

unit++;

}

*speed = *data / time;

sprintf(metric, "%sB", units[unit]);

}

#define MAX(x,y) ((x)>(y)?(x):(y))

int encrypt_data(struct session_op *sess, int fdc, int chunksize, int alignmask)

{

struct crypt_op cop;

char *buffer, iv[32];

static int val = 23;

struct timeval start, end;

double total = 0;

double secs, ddata, dspeed;

char metric[16];

if (alignmask) {

if (posix_memalign((void **)&buffer, MAX(alignmask + 1, sizeof(void*)), chunksize)) {

printf("posix_memalign() failed! (mask %x, size: %d)\n", alignmask+1, chunksize);

return 1;

}

} else {

if (!(buffer = malloc(chunksize))) {

perror("malloc()");

return 1;

}

memset(iv, 0x23, 32);

printf("\tEncrypting in chunks of %d bytes: ", chunksize);

fflush(stdout);

memset(buffer, val++, chunksize);

must_finish = 0;

alarm(5);

gettimeofday(&start, NULL);

do {

memset(&cop, 0, sizeof(cop));

cop.ses = sess->ses;

cop.len = chunksize;

cop.iv = (unsigned char *)iv;

cop.op = COP_ENCRYPT;

cop.src = cop.dst = (unsigned char *)buffer;

if (ioctl(fdc, CIOCCRYPT, &cop)) {

perror("ioctl(CIOCCRYPT)");

return 1;

}

total+=chunksize;

} while(must_finish==0);

gettimeofday(&end, NULL);

secs = udifftimeval(start, end)/ 1000000.0;

value2human(si, total, secs, &ddata, &dspeed, metric);

printf ("done. %.2f %s in %.2f secs: ", ddata, metric, secs);

printf ("%.2f %s/sec\n", dspeed, metric);

free(buffer);

return 0;

}

int main(int argc, char** argv)

{

int fd, i, fdc = -1, alignmask = 0;

struct session_op sess;

#ifdef CIOCGSESSINFO

struct session_info_op siop;

#endif

char keybuf[32];

signal(SIGALRM, alarm_handler);

if (argc > 1) {

if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-h") == 0) {

printf("Usage: speed [--kib]\n");

exit(0);

}

if (strcmp(argv[1], "--kib") == 0) {

si = 0;

}

if ((fd = open("/dev/crypto", O_RDWR, 0)) < 0) {

perror("open()");

return 1;

}

if (ioctl(fd, CRIOGET, &fdc)) {

perror("ioctl(CRIOGET)");

return 1;

}

fprintf(stderr, "Testing NULL cipher: \n");

memset(&sess, 0, sizeof(sess));

sess.cipher = CRYPTO_NULL;

sess.keylen = 0;

sess.key = (unsigned char *)keybuf;

if (ioctl(fdc, CIOCGSESSION, &sess)) {

perror("ioctl(CIOCGSESSION)");

return 1;

}

#ifdef CIOCGSESSINFO

siop.ses = sess.ses;

if (ioctl(fdc, CIOCGSESSINFO, &siop)) {

perror("ioctl(CIOCGSESSINFO)");

return 1;

}

alignmask = siop.alignmask;

#endif

for (i = 512; i <= (64 * 1024); i *= 2) {

if (encrypt_data(&sess, fdc, i, alignmask))

break;

}

fprintf(stderr, "\nTesting AES-128-CBC cipher: \n");

memset(&sess, 0, sizeof(sess));

sess.cipher = CRYPTO_AES_CBC;

sess.keylen = 16;

memset(keybuf, 0x42, 16);

sess.key = (unsigned char *)keybuf;

if (ioctl(fdc, CIOCGSESSION, &sess)) {

perror("ioctl(CIOCGSESSION)");

return 1;

}

#ifdef CIOCGSESSINFO

siop.ses = sess.ses;

if (ioctl(fdc, CIOCGSESSINFO, &siop)) {

perror("ioctl(CIOCGSESSINFO)");

return 1;

}

alignmask = siop.alignmask;

#endif

for (i = 512; i <= (64 * 1024); i *= 2) {

if (encrypt_data(&sess, fdc, i, alignmask))

break;

}

close(fdc);

close(fd);

return 0;

}

cryptodev-linux/tests/speed.c at master · cryptodev-linux/cryptodev-linux · GitHub

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