netdev - Re: [PATCH net-next v2 7/9] geneve: Consolidate Geneve functionality in single module.

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Message-ID: <CALnjE+rmdPOAFo876pZr-vtr=YmGZopSNPC02Qb3J0Wx3GBz1w@mail.gmail.com>
Date:	Wed, 19 Aug 2015 11:49:32 -0700
From:	Pravin Shelar <pshelar@...ira.com>
To:	Jesse Gross <jesse@...ira.com>
Cc:	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next v2 7/9] geneve: Consolidate Geneve functionality
 in single module.

On Wed, Aug 19, 2015 at 11:37 AM, Jesse Gross <jesse@...ira.com> wrote:
> On Wed, Aug 19, 2015 at 11:29 AM, Pravin Shelar <pshelar@...ira.com> wrote:
>> On Wed, Aug 19, 2015 at 11:18 AM, Jesse Gross <jesse@...ira.com> wrote:
>>> My guess is that if the issue from the earlier patch about overlapping
>>> collect_md tunnels is fixed then that might allow us to simplify
>>> things a little further, since for those tunnels we can assume there
>>> is a 1:1 mapping between collect_md tunnels and sockets.
>>
>> I dont see how it would be different. Can you elaborate on this ?
>
> Mostly just conceptually simpler. Right now it looks like we are doing
> some kind of refcounting between devices and tunnels in
> geneve_open/stop (I know it's not really but it appears like that in
> some ways.) We could just directly assign collect_md in geneve_open()
> and do nothing at all in geneve_stop().

If you look at next patch, I have changed geneve_open and stop
further. The change is geneve_open adds tunnel to hash table so that
only device which are open are in hash table. Since geneve_open and
stop is common for both type of tunnel I do not think there can be any
changes even after avoiding overlapping tunnel types in given socket.
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