aboutsummaryrefslogtreecommitdiffstats
path: root/crypto
diff options
context:
space:
mode:
Diffstat (limited to 'crypto')
-rw-r--r--crypto/tcrypt.c336
1 files changed, 330 insertions, 6 deletions
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index ea610ad..3ca68f9 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -394,6 +394,17 @@ out:
return 0;
}
+static void test_hash_sg_init(struct scatterlist *sg)
+{
+ int i;
+
+ sg_init_table(sg, TVMEMSIZE);
+ for (i = 0; i < TVMEMSIZE; i++) {
+ sg_set_buf(sg + i, tvmem[i], PAGE_SIZE);
+ memset(tvmem[i], 0xff, PAGE_SIZE);
+ }
+}
+
static void test_hash_speed(const char *algo, unsigned int sec,
struct hash_speed *speed)
{
@@ -423,12 +434,7 @@ static void test_hash_speed(const char *algo, unsigned int sec,
goto out;
}
- sg_init_table(sg, TVMEMSIZE);
- for (i = 0; i < TVMEMSIZE; i++) {
- sg_set_buf(sg + i, tvmem[i], PAGE_SIZE);
- memset(tvmem[i], 0xff, PAGE_SIZE);
- }
-
+ test_hash_sg_init(sg);
for (i = 0; speed[i].blen != 0; i++) {
if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) {
printk(KERN_ERR
@@ -461,6 +467,250 @@ out:
crypto_free_hash(tfm);
}
+struct tcrypt_result {
+ struct completion completion;
+ int err;
+};
+
+static void tcrypt_complete(struct crypto_async_request *req, int err)
+{
+ struct tcrypt_result *res = req->data;
+
+ if (err == -EINPROGRESS)
+ return;
+
+ res->err = err;
+ complete(&res->completion);
+}
+
+static inline int do_one_ahash_op(struct ahash_request *req, int ret)
+{
+ if (ret == -EINPROGRESS || ret == -EBUSY) {
+ struct tcrypt_result *tr = req->base.data;
+
+ ret = wait_for_completion_interruptible(&tr->completion);
+ if (!ret)
+ ret = tr->err;
+ INIT_COMPLETION(tr->completion);
+ }
+ return ret;
+}
+
+static int test_ahash_jiffies_digest(struct ahash_request *req, int blen,
+ char *out, int sec)
+{
+ unsigned long start, end;
+ int bcount;
+ int ret;
+
+ for (start = jiffies, end = start + sec * HZ, bcount = 0;
+ time_before(jiffies, end); bcount++) {
+ ret = do_one_ahash_op(req, crypto_ahash_digest(req));
+ if (ret)
+ return ret;
+ }
+
+ printk("%6u opers/sec, %9lu bytes/sec\n",
+ bcount / sec, ((long)bcount * blen) / sec);
+
+ return 0;
+}
+
+static int test_ahash_jiffies(struct ahash_request *req, int blen,
+ int plen, char *out, int sec)
+{
+ unsigned long start, end;
+ int bcount, pcount;
+ int ret;
+
+ if (plen == blen)
+ return test_ahash_jiffies_digest(req, blen, out, sec);
+
+ for (start = jiffies, end = start + sec * HZ, bcount = 0;
+ time_before(jiffies, end); bcount++) {
+ ret = crypto_ahash_init(req);
+ if (ret)
+ return ret;
+ for (pcount = 0; pcount < blen; pcount += plen) {
+ ret = do_one_ahash_op(req, crypto_ahash_update(req));
+ if (ret)
+ return ret;
+ }
+ /* we assume there is enough space in 'out' for the result */
+ ret = do_one_ahash_op(req, crypto_ahash_final(req));
+ if (ret)
+ return ret;
+ }
+
+ pr_cont("%6u opers/sec, %9lu bytes/sec\n",
+ bcount / sec, ((long)bcount * blen) / sec);
+
+ return 0;
+}
+
+static int test_ahash_cycles_digest(struct ahash_request *req, int blen,
+ char *out)
+{
+ unsigned long cycles = 0;
+ int ret, i;
+
+ /* Warm-up run. */
+ for (i = 0; i < 4; i++) {
+ ret = do_one_ahash_op(req, crypto_ahash_digest(req));
+ if (ret)
+ goto out;
+ }
+
+ /* The real thing. */
+ for (i = 0; i < 8; i++) {
+ cycles_t start, end;
+
+ start = get_cycles();
+
+ ret = do_one_ahash_op(req, crypto_ahash_digest(req));
+ if (ret)
+ goto out;
+
+ end = get_cycles();
+
+ cycles += end - start;
+ }
+
+out:
+ if (ret)
+ return ret;
+
+ pr_cont("%6lu cycles/operation, %4lu cycles/byte\n",
+ cycles / 8, cycles / (8 * blen));
+
+ return 0;
+}
+
+static int test_ahash_cycles(struct ahash_request *req, int blen,
+ int plen, char *out)
+{
+ unsigned long cycles = 0;
+ int i, pcount, ret;
+
+ if (plen == blen)
+ return test_ahash_cycles_digest(req, blen, out);
+
+ /* Warm-up run. */
+ for (i = 0; i < 4; i++) {
+ ret = crypto_ahash_init(req);
+ if (ret)
+ goto out;
+ for (pcount = 0; pcount < blen; pcount += plen) {
+ ret = do_one_ahash_op(req, crypto_ahash_update(req));
+ if (ret)
+ goto out;
+ }
+ ret = do_one_ahash_op(req, crypto_ahash_final(req));
+ if (ret)
+ goto out;
+ }
+
+ /* The real thing. */
+ for (i = 0; i < 8; i++) {
+ cycles_t start, end;
+
+ start = get_cycles();
+
+ ret = crypto_ahash_init(req);
+ if (ret)
+ goto out;
+ for (pcount = 0; pcount < blen; pcount += plen) {
+ ret = do_one_ahash_op(req, crypto_ahash_update(req));
+ if (ret)
+ goto out;
+ }
+ ret = do_one_ahash_op(req, crypto_ahash_final(req));
+ if (ret)
+ goto out;
+
+ end = get_cycles();
+
+ cycles += end - start;
+ }
+
+out:
+ if (ret)
+ return ret;
+
+ pr_cont("%6lu cycles/operation, %4lu cycles/byte\n",
+ cycles / 8, cycles / (8 * blen));
+
+ return 0;
+}
+
+static void test_ahash_speed(const char *algo, unsigned int sec,
+ struct hash_speed *speed)
+{
+ struct scatterlist sg[TVMEMSIZE];
+ struct tcrypt_result tresult;
+ struct ahash_request *req;
+ struct crypto_ahash *tfm;
+ static char output[1024];
+ int i, ret;
+
+ printk(KERN_INFO "\ntesting speed of async %s\n", algo);
+
+ tfm = crypto_alloc_ahash(algo, 0, 0);
+ if (IS_ERR(tfm)) {
+ pr_err("failed to load transform for %s: %ld\n",
+ algo, PTR_ERR(tfm));
+ return;
+ }
+
+ if (crypto_ahash_digestsize(tfm) > sizeof(output)) {
+ pr_err("digestsize(%u) > outputbuffer(%zu)\n",
+ crypto_ahash_digestsize(tfm), sizeof(output));
+ goto out;
+ }
+
+ test_hash_sg_init(sg);
+ req = ahash_request_alloc(tfm, GFP_KERNEL);
+ if (!req) {
+ pr_err("ahash request allocation failure\n");
+ goto out;
+ }
+
+ init_completion(&tresult.completion);
+ ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
+ tcrypt_complete, &tresult);
+
+ for (i = 0; speed[i].blen != 0; i++) {
+ if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) {
+ pr_err("template (%u) too big for tvmem (%lu)\n",
+ speed[i].blen, TVMEMSIZE * PAGE_SIZE);
+ break;
+ }
+
+ pr_info("test%3u "
+ "(%5u byte blocks,%5u bytes per update,%4u updates): ",
+ i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen);
+
+ ahash_request_set_crypt(req, sg, output, speed[i].plen);
+
+ if (sec)
+ ret = test_ahash_jiffies(req, speed[i].blen,
+ speed[i].plen, output, sec);
+ else
+ ret = test_ahash_cycles(req, speed[i].blen,
+ speed[i].plen, output);
+
+ if (ret) {
+ pr_err("hashing failed ret=%d\n", ret);
+ break;
+ }
+ }
+
+ ahash_request_free(req);
+
+out:
+ crypto_free_ahash(tfm);
+}
+
static void test_available(void)
{
char **name = check;
@@ -891,6 +1141,80 @@ static int do_test(int m)
case 399:
break;
+ case 400:
+ /* fall through */
+
+ case 401:
+ test_ahash_speed("md4", sec, generic_hash_speed_template);
+ if (mode > 400 && mode < 500) break;
+
+ case 402:
+ test_ahash_speed("md5", sec, generic_hash_speed_template);
+ if (mode > 400 && mode < 500) break;
+
+ case 403:
+ test_ahash_speed("sha1", sec, generic_hash_speed_template);
+ if (mode > 400 && mode < 500) break;
+
+ case 404:
+ test_ahash_speed("sha256", sec, generic_hash_speed_template);
+ if (mode > 400 && mode < 500) break;
+
+ case 405:
+ test_ahash_speed("sha384", sec, generic_hash_speed_template);
+ if (mode > 400 && mode < 500) break;
+
+ case 406:
+ test_ahash_speed("sha512", sec, generic_hash_speed_template);
+ if (mode > 400 && mode < 500) break;
+
+ case 407:
+ test_ahash_speed("wp256", sec, generic_hash_speed_template);
+ if (mode > 400 && mode < 500) break;
+
+ case 408:
+ test_ahash_speed("wp384", sec, generic_hash_speed_template);
+ if (mode > 400 && mode < 500) break;
+
+ case 409:
+ test_ahash_speed("wp512", sec, generic_hash_speed_template);
+ if (mode > 400 && mode < 500) break;
+
+ case 410:
+ test_ahash_speed("tgr128", sec, generic_hash_speed_template);
+ if (mode > 400 && mode < 500) break;
+
+ case 411:
+ test_ahash_speed("tgr160", sec, generic_hash_speed_template);
+ if (mode > 400 && mode < 500) break;
+
+ case 412:
+ test_ahash_speed("tgr192", sec, generic_hash_speed_template);
+ if (mode > 400 && mode < 500) break;
+
+ case 413:
+ test_ahash_speed("sha224", sec, generic_hash_speed_template);
+ if (mode > 400 && mode < 500) break;
+
+ case 414:
+ test_ahash_speed("rmd128", sec, generic_hash_speed_template);
+ if (mode > 400 && mode < 500) break;
+
+ case 415:
+ test_ahash_speed("rmd160", sec, generic_hash_speed_template);
+ if (mode > 400 && mode < 500) break;
+
+ case 416:
+ test_ahash_speed("rmd256", sec, generic_hash_speed_template);
+ if (mode > 400 && mode < 500) break;
+
+ case 417:
+ test_ahash_speed("rmd320", sec, generic_hash_speed_template);
+ if (mode > 400 && mode < 500) break;
+
+ case 499:
+ break;
+
case 1000:
test_available();
break;

Privacy Policy