netdev - Re: [PATCH v2 net-next 12/15] net: dsa: sja1105: add packing ops for the Retagging Table

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Date:   Mon, 11 May 2020 20:38:27 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Vladimir Oltean <olteanv@...il.com>, andrew@...n.ch,
        vivien.didelot@...il.com
Cc:     davem@...emloft.net, kuba@...nel.org, jiri@...lanox.com,
        idosch@...sch.org, rmk+kernel@...linux.org.uk,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 net-next 12/15] net: dsa: sja1105: add packing ops for
 the Retagging Table



On 5/11/2020 6:53 AM, Vladimir Oltean wrote:
> From: Vladimir Oltean <vladimir.oltean@....com>
> 
> The Retagging Table is an optional feature that allows the switch to
> match frames against a {ingress port, egress port, vid} rule and change
> their VLAN ID. The retagged frames are by default clones of the original
> ones (since the hardware-foreseen use case was to mirror traffic for
> debugging purposes and to tag it with a special VLAN for this purpose),
> but we can force the original frames to be dropped by removing the
> pre-retagging VLAN from the port membership list of the egress port.
> 
> Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>

Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian