Re: [RFC PATCH v1 0/1] *** crypto: AF_ALG: add compression support ***

[abed mohammad kamaluddin <abedamu@gmail.com>]

Hi Herbert,

> I think we should convert ipcomp over to the new interface first
> in order to make sure that we don't need to change the interface
> which would be hard to do once we export it to user-space.

Would it be acceptable if we export an algif interface using alg_type_compress,
which is being used by ipcomp currently? We would like to use our zip
device from
userspace through this interface.

Thanks
Abed (Cavium)


On Fri, Apr 14, 2017 at 2:02 PM, Herbert Xu <herbert@gondor.apana.org.au> wrote:
> On Fri, Apr 14, 2017 at 12:04:53AM +0530, Abed Kamaluddin wrote:
>> Hi Herbert,
>>
>> This patch adds compression support to the AF_ALG interface exported by the
>> kernel crypto API. By extending AF_ALG, all compression algorithms of types
>> scomp and acomp, which the kernel crypto API allows access to, are now also
>> accessible from userspace.
>>
>> The new compression interface has been tested with both kernel software
>> deflate(scomp) and HW accelerated ThunderX deflate(scomp) using the zpipe
>> example application provided by zlib.
>
> I think we should convert ipcomp over to the new interface first
> in order to make sure that we don't need to change the interface
> which would be hard to do once we export it to user-space.
>
> Thanks,
> --
> Email: Herbert Xu <herbert@gondor.apana.org.au>
> Home Page: http://gondor.apana.org.au/~herbert/
> PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt