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

To: "Patrick McHardy" <kaber@xxxxxxxxx>
Subject: Re: [PATCH 00/26] IPVS: Add first IPv6 support to IPVS.
Cc: "Simon Horman" <horms@xxxxxxxxxxxx>, "Vince Busam" <vbusam@xxxxxxxxxx>, "Ben Greear" <greearb@xxxxxxxxxxxxxxx>, lvs-devel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx
From: "Julius Volz" <juliusv@xxxxxxxxxx>
Date: Mon, 16 Jun 2008 14:13:05 +0200
On Mon, Jun 16, 2008 at 1:47 PM, Patrick McHardy <kaber@xxxxxxxxx> wrote:
>> Option c) looks reasonable to me and also seems easy to handle in
>> general. Is this the way to go? Or do we want the interface to look
>> completely different this time?
> b) or c) both look fine.

Good, thanks.

> You could save a few operations (ADD/EDIT
> can be combined) by making use of nlmsg_flags though:
> The semantics of the flags is:
> - NLM_F_CREATE|NLM_F_EXCL: create if non-existant
> - NLM_F_REPLACE: change existing
> - NLM_F_CREATE|NLM_F_REPLACE: create if non-existing, replace otherwise
> - NLM_F_EXCL: test existance

Thanks for explaining this! Sounds good!

> NLM_F_APPEND can be used as modifier for NLM_F_CREATE to
> specify that the new entry should be added to the end instead
> of the beginning.

Interesting. This should not be needed in IPVS though, as entry order
doesn't matter much there.


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