netdev - Re: [PATCH net-next v2 01/12] ethtool: add infrastructure for centralized checking of coalescing parameters

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Date:   Wed, 4 Mar 2020 10:28:40 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Edward Cree <ecree@...arflare.com>
Cc:     Alexander Duyck <alexander.h.duyck@...ux.intel.com>,
        Michal Kubecek <mkubecek@...e.cz>, <davem@...emloft.net>,
        <thomas.lendacky@....com>, <benve@...co.com>, <_govind@....com>,
        <pkaustub@...co.com>, <peppe.cavallaro@...com>,
        <alexandre.torgue@...com>, <joabreu@...opsys.com>,
        <snelson@...sando.io>, <yisen.zhuang@...wei.com>,
        <salil.mehta@...wei.com>, <jeffrey.t.kirsher@...el.com>,
        <jacob.e.keller@...el.com>, <michael.chan@...adcom.com>,
        <saeedm@...lanox.com>, <leon@...nel.org>, <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next v2 01/12] ethtool: add infrastructure for
 centralized checking of coalescing parameters

On Wed, 4 Mar 2020 18:16:13 +0000 Edward Cree wrote:
> On 04/03/2020 18:12, Alexander Duyck wrote:
> > So one thing I just wanted to point out. The used_types won't necessarily
> > be correct because it is only actually checking for non-zero types. There
> > are some of these values where a zero is a valid input  
> Presumably in the netlink ethtool world we'll want to instead check if
>  the attribute was passed?  Not sure but that might affect what semantics
>  we want to imply now.

I mean... it's just a local variable in a helper... :)

I think netlink will need its own helper based on attribute presence,
as you said.