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Date:   Thu, 4 Aug 2022 11:45:44 -0700
From:   Eric Dumazet <edumazet@...gle.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Adel Abouchaev <adel.abushaev@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        David Miller <davem@...emloft.net>,
        Paolo Abeni <pabeni@...hat.com>,
        Jonathan Corbet <corbet@....net>,
        David Ahern <dsahern@...nel.org>,
        Shuah Khan <shuah@...nel.org>,
        Menglong Dong <imagedong@...cent.com>,
        netdev <netdev@...r.kernel.org>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>
Subject: Re: [RFC net-next 1/6] net: Documentation on QUIC kernel Tx crypto.

On Thu, Aug 4, 2022 at 11:09 AM Jakub Kicinski <kuba@...nel.org> wrote:
>
> On Thu, 4 Aug 2022 10:00:37 -0700 Eric Dumazet wrote:
> > On Thu, Aug 4, 2022 at 9:58 AM Adel Abouchaev <adel.abushaev@...il.com> wrote:
> > > Looking at
> > > https://github.com/shemminger/iproute2/blob/main/misc/ss.c#L589 the ss.c
> > > still uses proc/.
> >
> > Only for legacy reasons.
>
> That but in all honesty also the fact that a proc file is pretty easy
> and self-describing while the historic netlink families are undocumented
> code salads.
>
> > ss -t for sure will use netlink first, then fallback to /proc
> >
> > New counters should use netlink, please.
>
> Just to be sure I'm not missing anything - we're talking about some
> new netlink, right? Is there an existing place for "overall prot family
> stats" over netlink today?

I thought we were speaking of dumping ULP info on a per UDP socket basis.

If this is about new SNMP counters, then sure, /proc is fine I guess.

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