2010-03-03 03:18:19

by Huang, Ying

Subject: [PATCH -v2] Speed testing support for ghash

Because ghash needs setkey, the setkey and keysize template support
for test_hash_speed is added.

v2:

- Move klen into struct hash_speed.

Signed-off-by: Huang Ying <[email protected]>
---
crypto/tcrypt.c | 7 +++++++
crypto/tcrypt.h | 29 +++++++++++++++++++++++++++++
2 files changed, 36 insertions(+)

--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -437,6 +437,9 @@ static void test_hash_speed(const char *
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);
@@ -881,6 +884,10 @@ 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;

--- a/crypto/tcrypt.h
+++ b/crypto/tcrypt.h
@@ -25,6 +25,7 @@ struct cipher_speed_template {
struct hash_speed {
unsigned int blen; /* buffer length */
unsigned int plen; /* per-update length */
+ unsigned int klen; /* key length */
};

/*
@@ -83,4 +84,32 @@ static struct hash_speed generic_hash_sp
{ .blen = 0, .plen = 0, }
};

+static struct hash_speed hash_speed_template_16[] = {
+ { .blen = 16, .plen = 16, .klen = 16, },
+ { .blen = 64, .plen = 16, .klen = 16, },
+ { .blen = 64, .plen = 64, .klen = 16, },
+ { .blen = 256, .plen = 16, .klen = 16, },
+ { .blen = 256, .plen = 64, .klen = 16, },
+ { .blen = 256, .plen = 256, .klen = 16, },
+ { .blen = 1024, .plen = 16, .klen = 16, },
+ { .blen = 1024, .plen = 256, .klen = 16, },
+ { .blen = 1024, .plen = 1024, .klen = 16, },
+ { .blen = 2048, .plen = 16, .klen = 16, },
+ { .blen = 2048, .plen = 256, .klen = 16, },
+ { .blen = 2048, .plen = 1024, .klen = 16, },
+ { .blen = 2048, .plen = 2048, .klen = 16, },
+ { .blen = 4096, .plen = 16, .klen = 16, },
+ { .blen = 4096, .plen = 256, .klen = 16, },
+ { .blen = 4096, .plen = 1024, .klen = 16, },
+ { .blen = 4096, .plen = 4096, .klen = 16, },
+ { .blen = 8192, .plen = 16, .klen = 16, },
+ { .blen = 8192, .plen = 256, .klen = 16, },
+ { .blen = 8192, .plen = 1024, .klen = 16, },
+ { .blen = 8192, .plen = 4096, .klen = 16, },
+ { .blen = 8192, .plen = 8192, .klen = 16, },
+
+ /* End marker */
+ { .blen = 0, .plen = 0, .klen = 0, }
+};
+
#endif /* _CRYPTO_TCRYPT_H */

2010-03-10 10:30:52

by Herbert Xu

Subject: Re: [PATCH -v2] Speed testing support for ghash

On Wed, Mar 03, 2010 at 11:18:16AM +0800, Huang Ying wrote:
> Because ghash needs setkey, the setkey and keysize template support
> for test_hash_speed is added.
>
> v2:
>
> - Move klen into struct hash_speed.
>
> Signed-off-by: Huang Ying <[email protected]>

Also applied.
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