netdev - Re: [PATCH net-next 1/2] vxlan: add extack support for create and changelink

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Message-ID: <87h8cqfnq8.fsf@mellanox.com>
Date:   Tue, 26 Feb 2019 17:45:05 +0000
From:   Petr Machata <petrm@...lanox.com>
To:     Roopa Prabhu <roopa@...ulusnetworks.com>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "dsa@...ulusnetworks.com" <dsa@...ulusnetworks.com>,
        "sd@...asysnail.net" <sd@...asysnail.net>,
        "johannes@...solutions.net" <johannes@...solutions.net>
Subject: Re: [PATCH net-next 1/2] vxlan: add extack support for create and
 changelink


Roopa Prabhu <roopa@...ulusnetworks.com> writes:

> On Tue, Feb 26, 2019 at 5:51 AM Petr Machata <petrm@...lanox.com> wrote:
>>
>> Many of the flags for which you call this don't actually have the else
>> branch. However I suspect there are no good reasons not to allow
>> resetting a flag.
>>
>> Reviewed-by: Petr Machata <petrm@...lanox.com>
>
> yes, correct, that was intentional.
> also, I am not sure what is the best way to support reseting of a NLA_FLAG.
> Absence of the flag attribute in the request cannot be the reason for
> resetting or clearing the flag.

Yeah, I was thinking about that. It looks like this would need a new set
of u8 attributes :-(

> None of the NLA_FLAG attributes support changing the flag today. This
> patch does not change that.