netdev - Re: [PATCH net-next 5/6] geneve: Consolidate Geneve functionality in single module.

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Message-ID: <CALnjE+qEMGh6kEwFpPUs+jL2cU4B0q95OyqA04e3sURQtGvXYw@mail.gmail.com>
Date:	Thu, 13 Aug 2015 15:37:03 -0700
From:	Pravin Shelar <pshelar@...ira.com>
To:	Jesse Gross <jesse@...ira.com>
Cc:	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next 5/6] geneve: Consolidate Geneve functionality in
 single module.

On Thu, Aug 13, 2015 at 2:24 PM, Jesse Gross <jesse@...ira.com> wrote:
> On Wed, Aug 12, 2015 at 4:33 PM, Pravin Shelar <pshelar@...ira.com> wrote:
>> On Wed, Aug 12, 2015 at 2:55 PM, Jesse Gross <jesse@...ira.com> wrote:
>>> The farther I go in the series, the more that I hope that we can avoid
>>> the use of collect_md_tun. It really seems to add a lot of special
>>> cases.
>>
>> Use of collect_md_tun allows us to avoid hash table lookup. thats why
>> I did it. Anyways we need a flag or pointer in geneve-sock structure
>> to locate tunnel metadata. I dont see how is it simple if
>> collect_md_tun is replaced with a flag.
>
> It seems to me that this requires more bookkeeping to keep consistent
> (a little in the code but mostly mentally) because collect_md_tun is a
> separate concept that doesn't necessarily follow the same rules as
> other tunnels. With VXLAN, I feel like I can mostly ignore this tunnel
> since it isn't special in most ways with the exception of places where
> it actually needs to do something different like allocate metadata.

ok, I will update the patch.
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