netdev - Re: [PATCH 00/26] IPVS: Add first IPv6 support to IPVS.

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Date:	Wed, 11 Jun 2008 20:42:09 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Julius Volz <juliusv@...gle.com>
CC:	lvs-devel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 00/26] IPVS: Add first IPv6 support to IPVS.

Julius Volz wrote:
> On Wed, Jun 11, 2008 at 7:23 PM, Patrick McHardy <kaber@...sh.net> wrote:
>> I briefly looked over the patches I didn't comment on.
>> I think there's too much duplication everywhere, a lot of
>> them look like they could avoid almost all duplication by
>> handling differences at a higher layer or simply sharing
>> the code (like hashing).
> 
> Yes, the duplication is high unfortunately. I must admit that I didn't
> feel secure enough to restructure all the existing code without
> breaking it, so I copied lots of functions and modified them for IPv6.
> My main goal was to keep all the old v4 stuff working first and then
> remove the duplication later (or hope for smarter people).
> 
> So I obviously don't expect this to be ready for inclusion, but I will
> have a lot of time to work on it (I'm doing it as an intern project)
> and learn as long as I get good feedback like yours on what to
> improve.

Great.

> Another question I was unsure about: is the breaking of the
> userspace-to-kernel interface even acceptable at all? I think the code
> would get ugly (and have even more duplication) if you wanted to keep
> the backwards compatibility. And you have to compile ipvsadm for your
> kernel version anyways.

Usually its not acceptable. Why do you have compile ipvsadm
for specific kernel versions?
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