On 2019/10/18 15:14, Herbert Xu wrote:
> On Thu, Oct 10, 2019 at 04:21:47PM +0800, Zhou Wang wrote:
>> As a type CRYPTO_ALG_TYPE_ACOMPRESS is needed to trigger crypto acomp test,
>> we introduce a new help function tcrypto_test_extend to pass type and mask
>> to alg_test.
>>
>> Then tcrypto module can be used to do basic acomp test by:
>> insmod tcrypto.ko alg="zlib-deflate" mode=55 type=10
>>
>> Signed-off-by: Zhou Wang <wangzhou1@xxxxxxxxxxxxx>
>> ---
>> crypto/tcrypt.c | 19 ++++++++++++++++++-
>> 1 file changed, 18 insertions(+), 1 deletion(-)
>>
>> diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
>> index 83ad0b1..6ad821c 100644
>> --- a/crypto/tcrypt.c
>> +++ b/crypto/tcrypt.c
>> @@ -72,7 +72,7 @@ static char *check[] = {
>> "khazad", "wp512", "wp384", "wp256", "tnepres", "xeta", "fcrypt",
>> "camellia", "seed", "salsa20", "rmd128", "rmd160", "rmd256", "rmd320",
>> "lzo", "lzo-rle", "cts", "sha3-224", "sha3-256", "sha3-384",
>> - "sha3-512", "streebog256", "streebog512",
>> + "sha3-512", "streebog256", "streebog512", "zlib-deflate",
>> NULL
>> };
>>
>> @@ -1657,6 +1657,19 @@ static inline int tcrypt_test(const char *alg)
>> return ret;
>> }
>>
>> +static inline int tcrypt_test_extend(const char *alg, u32 type, u32 mask)
>> +{
>> + int ret;
>> +
>> + pr_debug("testing %s\n", alg);
>> +
>> + ret = alg_test(alg, alg, type, mask);
>> + /* non-fips algs return -EINVAL in fips mode */
>> + if (fips_enabled && ret == -EINVAL)
>> + ret = 0;
>> + return ret;
>> +}
>> +
>> static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb)
>> {
>> int i;
>> @@ -1919,6 +1932,10 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb)
>> ret += tcrypt_test("streebog512");
>> break;
>>
>> + case 55:
>> + ret += tcrypt_test_extend("zlib-deflate", type, mask);
>> + break;
>> +
>
> Is this really needed? When you do
>
> modprobe tcrypt alg="zlib-deflate" type=10 mask=15
>
> It should cause zlib-defalte to be registered as acomp and therefore
> tested automatically.
seems it can not work, when I run insmod tcrypt.ko alg="zlib-deflate" type=10 mask=15
I got: insmod: can't insert 'tcrypt.ko': Resource temporarily unavailable
crypto_has_alg in case 0 in do_test does find "zlib-deflate", however, it breaks and
do nothing about test.
Best,
Zhou
>
> Cheers,
>
