netdev - Re: [PATCH 0/4] RFC CPSW switchdev mode

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Message-ID: <20180524080528.GD2295@nanopsycho>
Date:   Thu, 24 May 2018 10:05:28 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     Ilias Apalodimas <ilias.apalodimas@...aro.org>
Cc:     netdev@...r.kernel.org, grygorii.strashko@...com,
        ivan.khoronzhuk@...aro.org, nsekhar@...com, ivecera@...hat.com,
        francois.ozog@...aro.org, yogeshs@...com, spatton@...com
Subject: Re: [PATCH 0/4] RFC CPSW switchdev mode

Thu, May 24, 2018 at 08:56:20AM CEST, ilias.apalodimas@...aro.org wrote:
>Hello, 
>
>This is adding a new mode on the cpsw driver based around switchdev.
>In order to enable this you need to enable CONFIG_NET_SWITCHDEV, 
>CONFIG_BRIDGE_VLAN_FILTERING, CONFIG_TI_CPSW_SWITCHDEV
>and add to udev config: 
>
>SUBSYSTEM=="net", ACTION=="add", ATTR{phys_switch_id}=="0f011900", \
>        ATTR{phys_port_name}!="", NAME="sw0$attr{phys_port_name}"
>Since the phys_switch_id is based on cpsw version, users with different 
>version will need to do 'ip -d link show dev sw0p0 | grep switchid' and 
>replace with the correct value.
>
>This patch creates 3 ports, sw0p0, sw0p1 and sw0p2.
>sw0p1 and sw0p2 are the netdev interfaces connected to PHY devices
>while sw0p0 is the switch 'cpu facing port'.

Any reason you need cpu port? We don't need it in mlxsw and also in dsa.

What is this device? Could you give me some pointer to description?