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Message-ID: <20230128001640.7d7ad66c@kernel.org>
Date: Sat, 28 Jan 2023 00:16:40 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Paul Blakey <paulb@...dia.com>
Cc: <netdev@...r.kernel.org>, Saeed Mahameed <saeedm@...dia.com>,
Paolo Abeni <pabeni@...hat.com>,
Eric Dumazet <edumazet@...gle.com>,
Jamal Hadi Salim <jhs@...atatu.com>,
Cong Wang <xiyou.wangcong@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Oz Shlomo <ozsh@...dia.com>, Jiri Pirko <jiri@...dia.com>,
Roi Dayan <roid@...dia.com>, Vlad Buslov <vladbu@...dia.com>
Subject: Re: [PATCH net-next v5 0/6] net/sched: cls_api: Support hardware
miss to tc action
On Wed, 25 Jan 2023 17:32:12 +0200 Paul Blakey wrote:
> This series adds support for hardware miss to instruct tc to continue execution
> in a specific tc action instance on a filter's action list. The mlx5 driver patch
> (besides the refactors) shows its usage instead of using just chain restore.
>
> Currently a filter's action list must be executed all together or
> not at all as driver are only able to tell tc to continue executing from a
> specific tc chain, and not a specific filter/action.
>
> This is troublesome with regards to action CT, where new connections should
> be sent to software (via tc chain restore), and established connections can
> be handled in hardware.
I'll mark this as Deferred - would be great if Red Hat OvS offload
folks and/or another vendor and/or Jamal gave their acks.
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