Re: [PATCH] drivers/crypto/nx: Add CRC and validation support for nx842

From: Herbert Xu
Date: Tue Sep 22 2015 - 10:42:34 EST


On Tue, Sep 22, 2015 at 10:39:53AM -0400, Dan Streetman wrote:
>
> hmm, that's true, and that would simplify the code a lot! No need for
> the header anymore. But, since the sw driver is sooo much slower, it
> would be important to be able to communicate the alignment and size
> limits to the caller of the crypto compression api, via cra_alignmask
> and cra_blocksize (for minimum size), as well as new fields for max
> size (maybe cra_maxsize) and buffer length multiple - i.e. the buffer
> length must be a multiple of N (maybe cra_blockmult or cra_blockmodulo
> or something). Otherwise callers would get unexpectedly slow
> performance if they use the wrong alignment or size.

Right. So who actually uses this?

Cheers,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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