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From: Pravin Shelar <>
To: David Miller <>
Subject: Re: [PATCH net-next v3 0/6] openvswitch: VXLAN tunneling.
Date: Thu, 25 Jul 2013 18:53:12 -0700	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Thu, Jul 25, 2013 at 4:41 PM, David Miller <> wrote:
> From: Pravin B Shelar <>
> Date: Wed, 24 Jul 2013 11:00:26 -0700
>> First two patches extends vxlan so that openvswitch can
>> share vxlan udp port with vxlan module. Rest of patches
>> refactors vxlan data plane so that ovs can share that
>> code with vxlan module.
>> Last patch adds vxlan-vport to openvswitch.
> I'm mostly fine with this patch series and I assume Stephen will
> eventually take it in via his vxlan tree.
> However I do have one issue with patch #1 that I'd like to ask you to
> consider.
> You're doing two seperate things there.  First, you're abstracting out
> the handler bits at one level of indirection via "struct
> vxlan_handler" Second, you're adjusting how the headers are handled
> in the handler paths.
> I understand why you're doing the second part, to accomodate multiple
> handlers properly.
> But I think it would be much better to do this in two stages.
> The first stage does the "struct vxlan_handler" abstraction and then
> the second stage reworks how packet headers get adjusted.
> I'm suggesting this for the purposes of bisectability.  I believe that
> the header handling adjustments are the part that are going to be the
> most dangerous for regressions.  So it would be best if we could
> exactly pinpoint that exact change as causing problems in the future.
> When you split this up, in the first patch, enforce only one handler
> at a time.  You can remove this restriction as part of the second
> patch.
> I frankly think that this will make these changes easier to review and
> audit as well.
> How does that sound?

I agree, I will send updated patches.

      reply	other threads:[~2013-07-26  1:53 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-24 18:00 Pravin B Shelar
2013-07-25 18:33 ` Jesse Gross
2013-07-25 23:41 ` David Miller
2013-07-26  1:53   ` Pravin Shelar [this message]

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