linux-kernel - Re: [PATCH net-next] netdevsim: Add max_vfs to bus

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Date:   Thu, 12 Dec 2019 20:47:32 +0200
From:   Ido Schimmel <idosch@...sch.org>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>
Cc:     Yuval Avnery <yuvalav@...lanox.com>,
        Jiri Pirko <jiri@...lanox.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andy Gospodarek <andy@...yhouse.net>
Subject: Re: [PATCH net-next] netdevsim: Add max_vfs to bus_dev

On Thu, Dec 12, 2019 at 10:25:17AM -0800, Jakub Kicinski wrote:
> I'd like to see netdevsim to also serve as sort of a reference model
> for device behaviour. Vendors who are not first to implement a feature
> always complain that there is no documentation on how things should
> work.

+1

I have a patch set that adds FIB offload implementation to netdevsim and
a gazillion of test cases that I share between netdevsim and mlxsw. Can
be used by more drivers when they land.

It's also very convenient for fuzzing now that syzkaller supports
netdevsim instances thanks to Jiri. I've been running syzkaller for a
few weeks now to test the FIB implementation.