linux-kernel - Re: [RFE net-next] net: tun: 1000x speed up

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Message-ID: <20221021090756.0ffa65ee@kernel.org>
Date:   Fri, 21 Oct 2022 09:07:56 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Ilya Maximets <i.maximets@....org>
Cc:     netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [RFE net-next] net: tun: 1000x speed up

On Fri, 21 Oct 2022 13:49:21 +0200 Ilya Maximets wrote:
> Bump the advertised speed to at least match the veth.  10Gbps also
> seems like a more or less fair assumption these days, even though
> CPUs can do more.  Alternative might be to explicitly report UNKNOWN
> and let the application/user decide on a right value for them.

UNKOWN would seem more appropriate but at this point someone may depend
on the speed being populated so it could cause regressions, I fear :S

> Sorry for the clickbait subject line.

Nicely done, worked on me :)