netdev - Re: [PATCH bpf-next 1/8] meta, bpf: Add bpf programmable meta device

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Date: Fri, 29 Sep 2023 12:25:17 -0700
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: Daniel Borkmann <daniel@...earbox.net>
Cc: Toke Høiland-Jørgensen <toke@...nel.org>, 
	bpf <bpf@...r.kernel.org>, Network Development <netdev@...r.kernel.org>, 
	Martin KaFai Lau <martin.lau@...nel.org>, Nikolay Aleksandrov <razor@...ckwall.org>, 
	Alexei Starovoitov <ast@...nel.org>, Andrii Nakryiko <andrii@...nel.org>, 
	John Fastabend <john.fastabend@...il.com>
Subject: Re: [PATCH bpf-next 1/8] meta, bpf: Add bpf programmable meta device

On Thu, Sep 28, 2023 at 2:14 PM Daniel Borkmann <daniel@...earbox.net> wrote:
>
>
> > I think we should just name the driver 'bpfnet'; it's not pretty, but
> > it's obvious and descriptive. Optionally we could teach 'ip' to
> > understand just 'bpf' as the device type, so you could go 'ip link add
> > type bpf' and get one of these.
>
> I'll think about it, the bpfnet sounds terrible as you also noticed. I
> definitely don't like that. Perhaps meta_net as suggested by Andrii in
> the other thread could be a compromise. Need to sleep over it, my pref
> was actually to keep it shorter.

I don't like the meta name either standalone or as meta_net.
Maybe "hollow" or "void" netdevice?
Since this netdev doesn't have a substance when bpf prog is not attached.
It's empty == dummy == hollow == void netdevice.