crypto: tcrypt - Use ahash
This patch removes the last user of the obsolete crypto_hash
interface, tcrypt, by simply switching it over to ahash. In
fact it already has all the code there so it's just a matter
of calling the ahash speed test code with the right mask.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index 270bc4b..579dce0 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -554,164 +554,6 @@
crypto_free_blkcipher(tfm);
}
-static int test_hash_jiffies_digest(struct hash_desc *desc,
- struct scatterlist *sg, int blen,
- char *out, int secs)
-{
- unsigned long start, end;
- int bcount;
- int ret;
-
- for (start = jiffies, end = start + secs * HZ, bcount = 0;
- time_before(jiffies, end); bcount++) {
- ret = crypto_hash_digest(desc, sg, blen, out);
- if (ret)
- return ret;
- }
-
- printk("%6u opers/sec, %9lu bytes/sec\n",
- bcount / secs, ((long)bcount * blen) / secs);
-
- return 0;
-}
-
-static int test_hash_jiffies(struct hash_desc *desc, struct scatterlist *sg,
- int blen, int plen, char *out, int secs)
-{
- unsigned long start, end;
- int bcount, pcount;
- int ret;
-
- if (plen == blen)
- return test_hash_jiffies_digest(desc, sg, blen, out, secs);
-
- for (start = jiffies, end = start + secs * HZ, bcount = 0;
- time_before(jiffies, end); bcount++) {
- ret = crypto_hash_init(desc);
- if (ret)
- return ret;
- for (pcount = 0; pcount < blen; pcount += plen) {
- ret = crypto_hash_update(desc, sg, plen);
- if (ret)
- return ret;
- }
- /* we assume there is enough space in 'out' for the result */
- ret = crypto_hash_final(desc, out);
- if (ret)
- return ret;
- }
-
- printk("%6u opers/sec, %9lu bytes/sec\n",
- bcount / secs, ((long)bcount * blen) / secs);
-
- return 0;
-}
-
-static int test_hash_cycles_digest(struct hash_desc *desc,
- struct scatterlist *sg, int blen, char *out)
-{
- unsigned long cycles = 0;
- int i;
- int ret;
-
- local_irq_disable();
-
- /* Warm-up run. */
- for (i = 0; i < 4; i++) {
- ret = crypto_hash_digest(desc, sg, blen, out);
- if (ret)
- goto out;
- }
-
- /* The real thing. */
- for (i = 0; i < 8; i++) {
- cycles_t start, end;
-
- start = get_cycles();
-
- ret = crypto_hash_digest(desc, sg, blen, out);
- if (ret)
- goto out;
-
- end = get_cycles();
-
- cycles += end - start;
- }
-
-out:
- local_irq_enable();
-
- if (ret)
- return ret;
-
- printk("%6lu cycles/operation, %4lu cycles/byte\n",
- cycles / 8, cycles / (8 * blen));
-
- return 0;
-}
-
-static int test_hash_cycles(struct hash_desc *desc, struct scatterlist *sg,
- int blen, int plen, char *out)
-{
- unsigned long cycles = 0;
- int i, pcount;
- int ret;
-
- if (plen == blen)
- return test_hash_cycles_digest(desc, sg, blen, out);
-
- local_irq_disable();
-
- /* Warm-up run. */
- for (i = 0; i < 4; i++) {
- ret = crypto_hash_init(desc);
- if (ret)
- goto out;
- for (pcount = 0; pcount < blen; pcount += plen) {
- ret = crypto_hash_update(desc, sg, plen);
- if (ret)
- goto out;
- }
- ret = crypto_hash_final(desc, out);
- if (ret)
- goto out;
- }
-
- /* The real thing. */
- for (i = 0; i < 8; i++) {
- cycles_t start, end;
-
- start = get_cycles();
-
- ret = crypto_hash_init(desc);
- if (ret)
- goto out;
- for (pcount = 0; pcount < blen; pcount += plen) {
- ret = crypto_hash_update(desc, sg, plen);
- if (ret)
- goto out;
- }
- ret = crypto_hash_final(desc, out);
- if (ret)
- goto out;
-
- end = get_cycles();
-
- cycles += end - start;
- }
-
-out:
- local_irq_enable();
-
- if (ret)
- return ret;
-
- printk("%6lu cycles/operation, %4lu cycles/byte\n",
- cycles / 8, cycles / (8 * blen));
-
- return 0;
-}
-
static void test_hash_sg_init(struct scatterlist *sg)
{
int i;
@@ -723,69 +565,6 @@
}
}
-static void test_hash_speed(const char *algo, unsigned int secs,
- struct hash_speed *speed)
-{
- struct scatterlist sg[TVMEMSIZE];
- struct crypto_hash *tfm;
- struct hash_desc desc;
- static char output[1024];
- int i;
- int ret;
-
- tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC);
-
- if (IS_ERR(tfm)) {
- printk(KERN_ERR "failed to load transform for %s: %ld\n", algo,
- PTR_ERR(tfm));
- return;
- }
-
- printk(KERN_INFO "\ntesting speed of %s (%s)\n", algo,
- get_driver_name(crypto_hash, tfm));
-
- desc.tfm = tfm;
- desc.flags = 0;
-
- if (crypto_hash_digestsize(tfm) > sizeof(output)) {
- printk(KERN_ERR "digestsize(%u) > outputbuffer(%zu)\n",
- crypto_hash_digestsize(tfm), sizeof(output));
- goto out;
- }
-
- test_hash_sg_init(sg);
- for (i = 0; speed[i].blen != 0; i++) {
- if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) {
- printk(KERN_ERR
- "template (%u) too big for tvmem (%lu)\n",
- speed[i].blen, TVMEMSIZE * PAGE_SIZE);
- 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);
-
- if (secs)
- ret = test_hash_jiffies(&desc, sg, speed[i].blen,
- speed[i].plen, output, secs);
- else
- ret = test_hash_cycles(&desc, sg, speed[i].blen,
- speed[i].plen, output);
-
- if (ret) {
- printk(KERN_ERR "hashing failed ret=%d\n", ret);
- break;
- }
- }
-
-out:
- crypto_free_hash(tfm);
-}
-
static inline int do_one_ahash_op(struct ahash_request *req, int ret)
{
if (ret == -EINPROGRESS || ret == -EBUSY) {
@@ -945,8 +724,8 @@
return 0;
}
-static void test_ahash_speed(const char *algo, unsigned int secs,
- struct hash_speed *speed)
+static void test_ahash_speed_common(const char *algo, unsigned int secs,
+ struct hash_speed *speed, unsigned mask)
{
struct scatterlist sg[TVMEMSIZE];
struct tcrypt_result tresult;
@@ -955,7 +734,7 @@
char *output;
int i, ret;
- tfm = crypto_alloc_ahash(algo, 0, 0);
+ tfm = crypto_alloc_ahash(algo, 0, mask);
if (IS_ERR(tfm)) {
pr_err("failed to load transform for %s: %ld\n",
algo, PTR_ERR(tfm));
@@ -1021,6 +800,18 @@
crypto_free_ahash(tfm);
}
+static void test_ahash_speed(const char *algo, unsigned int secs,
+ struct hash_speed *speed)
+{
+ return test_ahash_speed_common(algo, secs, speed, 0);
+}
+
+static void test_hash_speed(const char *algo, unsigned int secs,
+ struct hash_speed *speed)
+{
+ return test_ahash_speed_common(algo, secs, speed, CRYPTO_ALG_ASYNC);
+}
+
static inline int do_one_acipher_op(struct ablkcipher_request *req, int ret)
{
if (ret == -EINPROGRESS || ret == -EBUSY) {