netdev - Re: [PATCH 00/12 net-next,v7] add flow

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Message-Id: <20190206.103911.39041593306699812.davem@davemloft.net>
Date:   Wed, 06 Feb 2019 10:39:11 -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,
        Manish.Chopra@...ium.com, marcelo.leitner@...il.com,
        mkubecek@...e.cz, venkatkumar.duvvuru@...adcom.com,
        julia.lawall@...6.fr, john.fastabend@...il.com,
        netfilter-devel@...r.kernel.org, cphealy@...il.com
Subject: Re: [PATCH 00/12 net-next,v7] add flow_rule infrastructure

From: Pablo Neira Ayuso <pablo@...filter.org>
Date: Sat,  2 Feb 2019 12:50:42 +0100

> This patchset, as is, allows us to reuse the driver codebase to
> configure ACL hardware offloads for the ethtool_rxnfc and the TC flower
> interfaces. A few clients for this infrastructure are presented, such as
> the bcm_sf2 and the qede drivers, for reference. Moreover all of the
> existing drivers in the tree are converted to use this infrastructure.
> 
> This patchset is re-using the existing flow dissector infrastructure
> that was introduced by Jiri Pirko et al. so the amount of abstractions
> that this patchset adds are minimal. Well, just a few wrapper structures
> for the selector side of the rules. And, in order to express actions,
> this patchset exposes an action API that is based on the existing TC
> action infrastructure and what existing drivers already support on that
> front.
> 
> v7: This patchset is a rebase on top of the net-next tree, after
>     addressing questions and feedback from driver developers in the
>     last batch.

Ok, I've thought long and hard about this.

Applied to net-next, let's see where this goes.

I'll push this out after my build testing completes.

Thanks!