netdev - Re: [PATCH v2 net-next 13/13] ipv6: route: per route IP tunnel metadata via lightweight tunnel

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Date:	Wed, 19 Aug 2015 22:15:33 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	hideaki.yoshifuji@...aclelinux.com
Cc:	jbenc@...hat.com, netdev@...r.kernel.org, tgraf@...g.ch
Subject: Re: [PATCH v2 net-next 13/13] ipv6: route: per route IP tunnel
 metadata via lightweight tunnel

From: YOSHIFUJI Hideaki <hideaki.yoshifuji@...aclelinux.com>
Date: Thu, 20 Aug 2015 11:29:06 +0900

> Jiri Benc wrote:
>> On Wed, 19 Aug 2015 19:27:22 +0900, YOSHIFUJI Hideaki wrote:
>>>> You're right generally. But this one should be okay and I did this
>>>> deliberately: the patch adding LWTUNNEL_ENCAP_ILA was merged two days
>>>> ago, is in net-next only, is not used by anything in user space yet.
>>>> And I think it's better to have LWTUNNEL_ENCAP_IP and
>>>> LWTUNNEL_ENCAP_IP6 without anything in between.
>>>
>>> I do think you should have some descriptions.
>> 
>> Sorry, I meant to put this into the description but forget to add it
>> after the rebase on top of ILA (as the patchset conflicted with the ILA
>> work and was developed in parallel).
>>
>> Are you okay with inserting LWTUNNEL_ENCAP_IP6 before
>> LWTUNNEL_ENCAP_ILA? If so, I'll resend with the explanation added.
> 
> Well, I think we should always avoid adding new entries into the
> middle of enums because it will make bisecting more complex or more
> difficult for example even if it *seems* that we have no users yet and
> the risk is not so high.
> 
> Dave?

Agreed.
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