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Date:   Wed, 21 Oct 2020 18:59:11 +0200
From:   "joergen.andreasen@microchip.com" <joergen.andreasen@microchip.com>
To:     Vladimir Oltean <vladimir.oltean@nxp.com>
CC:     Xiaoliang Yang <xiaoliang.yang_1@nxp.com>,
        "davem@davemloft.net" <davem@davemloft.net>,
        "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "allan.nielsen@microchip.com" <allan.nielsen@microchip.com>,
        "UNGLinuxDriver@microchip.com" <UNGLinuxDriver@microchip.com>,
        "vinicius.gomes@intel.com" <vinicius.gomes@intel.com>,
        "michael.chan@broadcom.com" <michael.chan@broadcom.com>,
        "vishal@chelsio.com" <vishal@chelsio.com>,
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        Claudiu Manoil <claudiu.manoil@nxp.com>,
        "Alexandru Marginean" <alexandru.marginean@nxp.com>,
        Leo Li <leoyang.li@nxp.com>, "Mingkai Hu" <mingkai.hu@nxp.com>
Subject: Re: [PATCH v1 net-next 2/5] net: mscc: ocelot: set vcap IS2 chain to
 goto PSFP chain
Message-ID: <20201021165911.7aj4ksqqj4cof2tb@soft-dev16>
References: <20201020072321.36921-1-xiaoliang.yang_1@nxp.com>
 <20201020072321.36921-3-xiaoliang.yang_1@nxp.com>
 <20201020232713.vyu3afhnhicf6xn2@skbuf>
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The 10/20/2020 23:27, Vladimir Oltean wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> On Tue, Oct 20, 2020 at 03:23:18PM +0800, Xiaoliang Yang wrote:
> > VSC9959 supports Per-Stream Filtering and Policing(PSFP), which is
> > processing after VCAP blocks. We set this block on chain 30000 and
> > set vcap IS2 chain to goto PSFP chain if hardware support.
> >
> > An example set is:
> >       > tc filter add dev swp0 ingress chain 21000 flower
> >               skip_sw action goto chain 30000
> >
> > Signed-off-by: Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
> > ---
> 
> I will defer to Microchip people whether 30000 is a good chain number
> for TSN offloads. Do you have other ingress VCAPs that you would like to
> number 30000?

We see no problems with using ingress chain 30000 for PSFP.
-- 
Joergen Andreasen, Microchip