From: Vlad Yasevich <vladislav.yasevich@hp.com>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>,
bhalevy@panasas.com, linux-crypto@vger.kernel.org,
michaelc@cs.wisc.edu, netdev@vger.kernel.org
Subject: Re: Fwd: Re: [PATCH] iSCSI fix endieness of digest to be network byte order
Date: Thu, 08 Nov 2007 10:47:44 -0500 [thread overview]
Message-ID: <47332FA0.2020405@hp.com> (raw)
In-Reply-To: <20071108104040.GA16312@gondor.apana.org.au>
Herbert Xu wrote:
> On Thu, Nov 08, 2007 at 05:04:09PM +0900, FUJITA Tomonori wrote:
>> I wonder why crc32c isn't used directly while crc32 is used directly
>> since they vary by only the polynomial.
>
> It's because iSCSI uses it with scatterlists. The crypto layer
> provides a nice interface for that while using it directly would
> require the user to do the scatterlist walk.
>
>> Using crc32c directly might enable us to kill net/sctp/crc32c.c and
>> merge lib/crc32.c and lib/libcrc32c?
>
> I'm pretty sure we can kill net/sctp/crc32c.c today by converting
> it over to use the crypto interface.
Funny, I looked for crc32c in the lib just the other week and didn't spot
it. Need to look harder :)
-vlad
prev parent reply other threads:[~2007-11-08 15:47 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-07 19:04 Fwd: Re: [PATCH] iSCSI fix endieness of digest to be network byte order Benny Halevy
2007-11-08 1:18 ` Herbert Xu
2007-11-08 8:04 ` FUJITA Tomonori
2007-11-08 10:40 ` Herbert Xu
2007-11-08 15:47 ` Vlad Yasevich [this message]
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