netdev - Re: [net-next PATCH 0/3] Extend action skbedit to RX queue mapping

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Message-ID: <20220831194611.4113660a@kernel.org>
Date:   Wed, 31 Aug 2022 19:46:11 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Amritha Nambiar <amritha.nambiar@...el.com>
Cc:     netdev@...r.kernel.org, alexander.h.duyck@...el.com,
        jhs@...atatu.com, jiri@...nulli.us, xiyou.wangcong@...il.com,
        vinicius.gomes@...el.com, sridhar.samudrala@...el.com
Subject: Re: [net-next PATCH 0/3] Extend action skbedit to RX queue mapping

On Tue, 30 Aug 2022 02:28:39 -0700 Amritha Nambiar wrote:
> Based on the discussion on
> https://lore.kernel.org/netdev/20220429171717.5b0b2a81@kernel.org/,
> the following series extends skbedit tc action to RX queue mapping.
> Currently, skbedit action in tc allows overriding of transmit queue.
> Extending this ability of skedit action supports the selection of receive
> queue for incoming packets. Offloading this action is added for receive
> side. Enabled ice driver to offload this type of filter into the
> hardware for accepting packets to the device's receive queue.

Thinking about this again - is redirecting to a queue really the most
useful API to expose? Wouldn't users want to redirect to a set of
queues, i.e. RSS context?

Or in your case the redirect to a set of queues is done by assigning
a class?

Either way we should start documenting things, so please find (/create)
some place under Documentation/networking where we can make notes for
posterity.