Re: [PATCH 1/1] Added CRYPTO_ALG_KERN_DRIVER_ONLY flag (3rd attempt)

[Nikos Mavrogiannopoulos <nmav@gnutls.org>]

On 01/06/2012 02:37 AM, Herbert Xu wrote:

> Nikos Mavrogiannopoulos <nmav@gnutls.org> wrote:
>> The added CRYPTO_ALG_KERN_DRIVER_ONLY indicates whether a cipher
>> is only available via a kernel driver. If the cipher implementation
>> might be available by using an instruction set or by porting the
>> kernel code, then it must not be set.
[...]
>> +static inline u32 crypto_tfm_alg_flags(struct crypto_tfm *tfm)
>> +{
>> +       return tfm->__crt_alg->cra_flags;
>> +}
>> +
> Who is going to use this? For one it's not type-safe as we try
> to avoid directly using crypto_tfm in kernel code.


I needed this function in order to access the new flag without
relying on the structure format. The available crypto_tfm_alg_type() 
would apply a mask and remove it, thus I added this function.

regards,
Nikos