linux-kernel - Re: [RFC, net-next 0/3] net: dsa: felix: frame preemption support

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Message-ID: <20201020110456.x4pyivcbz6lqr6zs@skbuf>
Date:   Tue, 20 Oct 2020 11:04:57 +0000
From:   Vladimir Oltean <vladimir.oltean@....com>
To:     Xiaoliang Yang <xiaoliang.yang_1@....com>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "vinicius.gomes@...el.com" <vinicius.gomes@...el.com>,
        "jhs@...atatu.com" <jhs@...atatu.com>,
        "xiyou.wangcong@...il.com" <xiyou.wangcong@...il.com>,
        "jiri@...nulli.us" <jiri@...nulli.us>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "Jose.Abreu@...opsys.com" <Jose.Abreu@...opsys.com>,
        "allan.nielsen@...rochip.com" <allan.nielsen@...rochip.com>,
        "joergen.andreasen@...rochip.com" <joergen.andreasen@...rochip.com>,
        "UNGLinuxDriver@...rochip.com" <UNGLinuxDriver@...rochip.com>,
        Po Liu <po.liu@....com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Alexandru Marginean <alexandru.marginean@....com>,
        Leo Li <leoyang.li@....com>, Mingkai Hu <mingkai.hu@....com>
Subject: Re: [RFC, net-next 0/3] net: dsa: felix: frame preemption support

Hi Xiaoliang,

On Tue, Oct 20, 2020 at 12:04:55PM +0800, Xiaoliang Yang wrote:
> VSC9959 supports frame preemption according to 802.1qbu and 802.3br.
> This patch series use ethtool to enable and configure frame preemption,
> then use tc-taprio preempt set to mark the preempt queues and express
> queueus.
> 
> This series depends on series: "ethtool: Add support for frame preemption"
> link: http://patchwork.ozlabs.org/project/netdev/patch/20201012235642.1384318-2-vinicius.gomes@intel.com/
> 

Would you be so kind to also provide some feedback to Vinicius on that
series? It's important that we fully agree on the configuration/status
interface first, and that it is acceptable by everybody and gets merged.