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Message-ID: <CAM_iQpUhNmmxyPXjyRBKzjVkreu0WXvoyOTdxT0pdjUBsFkx6A@mail.gmail.com>
Date: Fri, 24 Dec 2021 11:28:45 -0800
From: Cong Wang <xiyou.wangcong@...il.com>
To: Tonghao Zhang <xiangxia.m.yue@...il.com>
Cc: 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 v7 2/2] net: sched: support hash/classid/cpuid
selecting tx queue
On Fri, Dec 24, 2021 at 8:49 AM <xiangxia.m.yue@...il.com> wrote:
>
> From: Tonghao Zhang <xiangxia.m.yue@...il.com>
>
> This patch allows user to select queue_mapping, range
> from A to B. And user can use skbhash, cgroup classid
> and cpuid to select Tx queues. Then we can load balance
> packets from A to B queue. The range is an unsigned 16bit
> value in decimal format.
>
> $ tc filter ... action skbedit queue_mapping skbhash A B
>
> "skbedit queue_mapping QUEUE_MAPPING" (from "man 8 tc-skbedit")
> is enhanced with flags:
> * SKBEDIT_F_TXQ_SKBHASH
> * SKBEDIT_F_TXQ_CLASSID
> * SKBEDIT_F_TXQ_CPUID
NACK.
These values can either obtained from user-space, or is nonsense
at all.
Sorry, we don't accept enforcing such bad policies in kernel. Please
drop this patch.
Thanks.
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