linux-kernel - Re: [PATCH v3 0/3] Namespaceify two sysctls related with route

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Message-ID: <20220831125846.6bb2983a@kernel.org>
Date:   Wed, 31 Aug 2022 12:58:46 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     cgel.zte@...il.com
Cc:     davem@...emloft.net, yoshfuji@...ux-ipv6.org, dsahern@...nel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        xu.xin16@....com.cn
Subject: Re: [PATCH v3 0/3] Namespaceify two sysctls related with route

On Tue, 30 Aug 2022 09:14:53 +0000 cgel.zte@...il.com wrote:
> With the rise of cloud native, more and more container applications are
> deployed. The network namespace is one of the foundations of the container.
> The sysctls of error_cost and error_burst are important knobs to control
> the sending frequency of ICMP_DEST_UNREACH packet for ipv4. When different
> containers has requirements on the tuning of error_cost and error_burst,
> for host's security, the sysctls should exist per network namespace.
> 
> Different netns has different requirements on the setting of error_cost
> and error_burst, which are related with limiting the frequency of sending
> ICMP_DEST_UNREACH packets. Enable them to be configured per netns.

One last time, if v6 doesn't need it, neither should v4.

Seems like you're just trying to check a box.

I'm dropping these patches from patchwork, please don't repost them
again, unless someone from the community voices support for merging
them.