linux-kernel - Re: [PATCH net-next] net: create a dummy net

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Message-ID: <20240402111709.1551dbca@kernel.org>
Date: Tue, 2 Apr 2024 11:17:09 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Leon Romanovsky <leon@...nel.org>
Cc: Breno Leitao <leitao@...ian.org>, "David S. Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Paolo Abeni
 <pabeni@...hat.com>, quic_jjohnson@...cinc.com, kvalo@...nel.org,
 dennis.dalessandro@...nelisnetworks.com, Jiri Pirko <jiri@...nulli.us>,
 Simon Horman <horms@...nel.org>, Daniel Borkmann <daniel@...earbox.net>,
 Lorenzo Bianconi <lorenzo@...nel.org>, Coco Li <lixiaoyan@...gle.com>,
 "open list:NETWORKING DRIVERS" <netdev@...r.kernel.org>, open list
 <linux-kernel@...r.kernel.org>, Dennis Dalessandro
 <dennis.dalessandro@...el.com>, RDMA mailing list
 <linux-rdma@...r.kernel.org>
Subject: Re: [PATCH net-next] net: create a dummy net_device allocator

On Tue, 2 Apr 2024 21:01:55 +0300 Leon Romanovsky wrote:
> > Suggested-by: Jakub Kicinski <kuba@...nel.org>
> > Signed-off-by: Breno Leitao <leitao@...ian.org>  
> 
> Exciting read for people who remember this conversation:
> """
> > I prefer to see some new wrapper over plain alloc_netdev, which will
> > create this dummy netdevice. For example, alloc_dummy_netdev(...).  
> 
> Nope, no bona fide APIs for hacky uses.
> """
> https://lore.kernel.org/linux-rdma/20240311112532.71f1cb35@kernel.org/

Still my preference, but there's only so many hours in the day
to keep explaining things. I'd rather we made some progress.