netdev - Re: [net-next v5 1/2] net: sched: use queue

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Date:   Thu, 27 Jan 2022 09:35:17 +0800
From:   Tonghao Zhang <xiangxia.m.yue@...il.com>
To:     Cong Wang <xiyou.wangcong@...il.com>
Cc:     Vinicius Costa Gomes <vinicius.gomes@...el.com>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        Jiri Pirko <jiri@...nulli.us>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Jonathan Lemon <jonathan.lemon@...il.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Alexander Lobakin <alobakin@...me>,
        Paolo Abeni <pabeni@...hat.com>,
        Talal Ahmad <talalahmad@...gle.com>,
        Kevin Hao <haokexin@...il.com>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        Kees Cook <keescook@...omium.org>,
        Kumar Kartikeya Dwivedi <memxor@...il.com>,
        Antoine Tenart <atenart@...nel.org>,
        Wei Wang <weiwan@...gle.com>, Arnd Bergmann <arnd@...db.de>
Subject: Re: [net-next v5 1/2] net: sched: use queue_mapping to pick tx queue

On Thu, Jan 27, 2022 at 3:59 AM Cong Wang <xiyou.wangcong@...il.com> wrote:
>
> On Wed, Dec 29, 2021 at 9:03 PM Tonghao Zhang <xiangxia.m.yue@...il.com> wrote:
> > Yes, I think this is key. In k8s, we can not control the priority of
> > applications in Pod. and I think 2/2 patch
>
> Why not? Please be more specific.
I mean the priority of skb can be set via the socket from
applications. the application is running for a long time,
There are so many applications in the company. we can't ask them to do
that. there is a lot of workload.
> > can provide more mechanisms to select queues from a range.
>
> Well, you just keep ignoring eBPF action which provides
> literally infinitely more choices than yours. So, you want more
> choices but still refuse using eBPF action, what point are you
> trying to make?
Maybe I can answer your question in another thread. In brief, this
patch is only enhanced the tc-skbedit.
> Thanks.



-- 
Best regards, Tonghao