netdev - Re: [PATCH nf-next v5 0/6] Netfilter egress hook

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Message-ID: <YVXUIUMk0m3L+My+@salvia>
Date:   Thu, 30 Sep 2021 17:13:37 +0200
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Daniel Borkmann <daniel@...earbox.net>,
        netfilter-devel@...r.kernel.org, davem@...emloft.net,
        netdev@...r.kernel.org, lukas@...ner.de, kadlec@...filter.org,
        fw@...len.de, ast@...nel.org, edumazet@...gle.com, tgraf@...g.ch,
        nevola@...il.com, john.fastabend@...il.com, willemb@...gle.com
Subject: Re: [PATCH nf-next v5 0/6] Netfilter egress hook

On Thu, Sep 30, 2021 at 07:28:35AM -0700, Jakub Kicinski wrote:
> On Thu, 30 Sep 2021 11:21:42 +0200 Pablo Neira Ayuso wrote:
[...]
> The lifetime of this information is constrained, can't it be a percpu
> flag, like xmit_more?

It's just one single bit in this case after all.

> > Probably the sysctl for this new egress hook is the way to go as you
> > suggest.
> 
> Knobs is making users pay, let's do our best to avoid that.

Could you elaborate?

Thanks.