netdev - Re: [PATCH net-next 1/3] netdevsim: Introduce support for L3 offload xstats

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Date:   Fri, 11 Mar 2022 18:31:57 +0100
From:   Petr Machata <petrm@...dia.com>
To:     Jakub Kicinski <kuba@...nel.org>
CC:     Petr Machata <petrm@...dia.com>, <netdev@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Ido Schimmel <idosch@...dia.com>
Subject: Re: [PATCH net-next 1/3] netdevsim: Introduce support for L3
 offload xstats

Jakub Kicinski <kuba@...nel.org> writes:

> On Fri, 11 Mar 2022 08:06:31 -0800 Jakub Kicinski wrote:
>> I'm okay with your version if you prefer, but the above works, right?
>> Or am I missing something?

I think it would. I mostly wanted to avoid comparing the pointers,
expressing this using an enum feels cleaner.

> Ah, you only have one fops now, I should have read the patch more
> carefully. Yup, that's also good.

Actually no, you do need one fops instance per file. But the fops
themselves point to the same functions each time, so I can have one
"generic" fops struct and just copy it to each instance.