From: "Milan P. Stanic" <mps@arvanta.net>
To: linux-ppp@vger.kernel.org
Subject: Re: CRC-16 or CRC-32
Date: Wed, 21 Apr 2010 09:17:19 +0000 [thread overview]
Message-ID: <20100421091719.GB1768@arvanta.net> (raw)
In-Reply-To: <291B2C7721AC7B49AD11449A2883992E2C4A9BDC3C@SINTEFEXMBX01.sintef.no>
On Wed, 2010-04-21 at 10:10, Jan Just Keijser wrote:
> ppp_async includes some CRC support BUT it only supports
> 'crc_ccitt_byte' which is a 16bit CRC. The problem now is, which
> CRC32 needs to be suppported? according to
CCITT versions according to the RFC1570.
> http://en.wikipedia.org/wiki/Cyclic_redundancy_check
>
> "there are three polynomials reported for CRC-12, thirteen
> conflicting definitions of CRC-16, and six of CRC-32"
>
> the second problem is: if you want to add CRC32 support then you'd
> have to get it into the linux kernel . that will take *quite* some
> time (unless you can live with patched linux kernels).
It wouldn't be so hard to push it to the kernel because Paul Mackerras
is/was on this list and he is the ppp driver maintainer, I hope ;)
--
Kind regards, Milan
--------------------------------------------------
Arvanta, IT Security http://www.arvanta.net
Please do not send me e-mail containing HTML code.
next prev parent reply other threads:[~2010-04-21 9:17 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-20 9:42 CRC-16 or CRC-32 Arne Lie
2010-04-20 14:16 ` Jan Just Keijser
2010-04-20 14:38 ` Arne Lie
2010-04-20 14:49 ` Jan Just Keijser
2010-04-20 15:10 ` Milan P. Stanic
2010-04-21 6:56 ` Arne Lie
2010-04-21 8:10 ` Jan Just Keijser
2010-04-21 9:08 ` Milan P. Stanic
2010-04-21 9:17 ` Milan P. Stanic [this message]
2010-04-23 3:46 ` James Carlson
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