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authorPaul Mundt <lethal@linux-sh.org>2011-01-13 15:06:28 +0900
committerPaul Mundt <lethal@linux-sh.org>2011-01-13 15:06:28 +0900
commitf43dc23d5ea91fca257be02138a255f02d98e806 (patch)
treeb29722f6e965316e90ac97abf79923ced250dc21 /crypto/tcrypt.c
parentf8e53553f452dcbf67cb89c8cba63a1cd6eb4cc0 (diff)
parent4162cf64973df51fc885825bc9ca4d055891c49f (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into common/serial-rework
Conflicts: arch/sh/kernel/cpu/sh2/setup-sh7619.c arch/sh/kernel/cpu/sh2a/setup-mxg.c arch/sh/kernel/cpu/sh2a/setup-sh7201.c arch/sh/kernel/cpu/sh2a/setup-sh7203.c arch/sh/kernel/cpu/sh2a/setup-sh7206.c arch/sh/kernel/cpu/sh3/setup-sh7705.c arch/sh/kernel/cpu/sh3/setup-sh770x.c arch/sh/kernel/cpu/sh3/setup-sh7710.c arch/sh/kernel/cpu/sh3/setup-sh7720.c arch/sh/kernel/cpu/sh4/setup-sh4-202.c arch/sh/kernel/cpu/sh4/setup-sh7750.c arch/sh/kernel/cpu/sh4/setup-sh7760.c arch/sh/kernel/cpu/sh4a/setup-sh7343.c arch/sh/kernel/cpu/sh4a/setup-sh7366.c arch/sh/kernel/cpu/sh4a/setup-sh7722.c arch/sh/kernel/cpu/sh4a/setup-sh7723.c arch/sh/kernel/cpu/sh4a/setup-sh7724.c arch/sh/kernel/cpu/sh4a/setup-sh7763.c arch/sh/kernel/cpu/sh4a/setup-sh7770.c arch/sh/kernel/cpu/sh4a/setup-sh7780.c arch/sh/kernel/cpu/sh4a/setup-sh7785.c arch/sh/kernel/cpu/sh4a/setup-sh7786.c arch/sh/kernel/cpu/sh4a/setup-shx3.c arch/sh/kernel/cpu/sh5/setup-sh5.c drivers/serial/sh-sci.c drivers/serial/sh-sci.h include/linux/serial_sci.h
Diffstat (limited to 'crypto/tcrypt.c')
-rw-r--r--crypto/tcrypt.c367
1 files changed, 359 insertions, 8 deletions
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index d59ba5079d14..3ca68f9fc14d 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -18,8 +18,8 @@
#include <crypto/hash.h>
#include <linux/err.h>
#include <linux/init.h>
+#include <linux/gfp.h>
#include <linux/module.h>
-#include <linux/slab.h>
#include <linux/scatterlist.h>
#include <linux/string.h>
#include <linux/moduleparam.h>
@@ -45,6 +45,9 @@
*/
static unsigned int sec;
+static char *alg = NULL;
+static u32 type;
+static u32 mask;
static int mode;
static char *tvmem[TVMEMSIZE];
@@ -391,6 +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)
{
@@ -420,12 +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
@@ -434,6 +443,9 @@ static void test_hash_speed(const char *algo, unsigned int sec,
goto out;
}
+ if (speed[i].klen)
+ crypto_hash_setkey(tfm, tvmem[0], speed[i].klen);
+
printk(KERN_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);
@@ -455,6 +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;
@@ -716,6 +972,10 @@ static int do_test(int m)
ret += tcrypt_test("hmac(rmd160)");
break;
+ case 109:
+ ret += tcrypt_test("vmac(aes)");
+ break;
+
case 150:
ret += tcrypt_test("ansi_cprng");
break;
@@ -874,9 +1134,87 @@ static int do_test(int m)
test_hash_speed("rmd320", sec, generic_hash_speed_template);
if (mode > 300 && mode < 400) break;
+ case 318:
+ test_hash_speed("ghash-generic", sec, hash_speed_template_16);
+ if (mode > 300 && mode < 400) break;
+
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;
@@ -885,6 +1223,12 @@ static int do_test(int m)
return ret;
}
+static int do_alg_test(const char *alg, u32 type, u32 mask)
+{
+ return crypto_has_alg(alg, type, mask ?: CRYPTO_ALG_TYPE_MASK) ?
+ 0 : -ENOENT;
+}
+
static int __init tcrypt_mod_init(void)
{
int err = -ENOMEM;
@@ -896,7 +1240,11 @@ static int __init tcrypt_mod_init(void)
goto err_free_tv;
}
- err = do_test(mode);
+ if (alg)
+ err = do_alg_test(alg, type, mask);
+ else
+ err = do_test(mode);
+
if (err) {
printk(KERN_ERR "tcrypt: one or more tests failed!\n");
goto err_free_tv;
@@ -928,6 +1276,9 @@ static void __exit tcrypt_mod_fini(void) { }
module_init(tcrypt_mod_init);
module_exit(tcrypt_mod_fini);
+module_param(alg, charp, 0);
+module_param(type, uint, 0);
+module_param(mask, uint, 0);
module_param(mode, int, 0);
module_param(sec, uint, 0);
MODULE_PARM_DESC(sec, "Length in seconds of speed tests "