netdev - Re: [PATCH 00/12 net-next,v2] add flow

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Date:   Mon, 19 Nov 2018 12:12:29 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     pablo@...filter.org
Cc:     netdev@...r.kernel.org, thomas.lendacky@....com,
        f.fainelli@...il.com, ariel.elior@...ium.com,
        michael.chan@...adcom.com, santosh@...lsio.com,
        madalin.bucur@....com, yisen.zhuang@...wei.com,
        salil.mehta@...wei.com, jeffrey.t.kirsher@...el.com,
        tariqt@...lanox.com, saeedm@...lanox.com, jiri@...lanox.com,
        idosch@...lanox.com, jakub.kicinski@...ronome.com,
        peppe.cavallaro@...com, grygorii.strashko@...com, andrew@...n.ch,
        vivien.didelot@...oirfairelinux.com, alexandre.torgue@...com,
        joabreu@...opsys.com, linux-net-drivers@...arflare.com,
        ganeshgr@...lsio.com, ogerlitz@...lanox.com
Subject: Re: [PATCH 00/12 net-next,v2] add flow_rule infrastructure

From: Pablo Neira Ayuso <pablo@...filter.org>
Date: Mon, 19 Nov 2018 01:15:07 +0100

> This patchset introduces a kernel intermediate representation (IR) to
> express ACL hardware offloads, as already described in previous RFC and
> v1 patchset [1] [2]. The idea is to normalize the frontend U/APIs to use
> the flow dissectors and the flow actions so drivers can reuse the
> existing TC offload driver codebase - that has been converted to use the
> flow_rule infrastructure.

I'm go to bring up the elephant in the room.

I think the real motivation here is to offload netfilter rules to HW,
and you should be completely honest about that.