netdev - Re: [PATCH net-next] net: dsa: mv88e6xxx: Add tx fwd offload PVT on intermediate devices

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Message-ID: <20211210211851.6b8773e1@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Fri, 10 Dec 2021 21:18:51 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Tobias Waldekranz <tobias@...dekranz.com>
Cc:     davem@...emloft.net, andrew@...n.ch, vivien.didelot@...il.com,
        f.fainelli@...il.com, olteanv@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH net-next] net: dsa: mv88e6xxx: Add tx fwd offload PVT on
 intermediate devices

On Thu,  9 Dec 2021 23:24:24 +0100 Tobias Waldekranz wrote:
> In a typical mv88e6xxx switch tree like this:
> 
>   CPU
>    |    .----.
> .--0--. | .--0--.
> | sw0 | | | sw1 |
> '-1-2-' | '-1-2-'
>     '---'
> 
> If sw1p{1,2} are added to a bridge that sw0p1 is not a part of, sw0
> still needs to add a crosschip PVT entry for the virtual DSA device
> assigned to represent the bridge.
> 
> Fixes: ce5df6894a57 ("net: dsa: mv88e6xxx: map virtual bridges with forwarding offload in the PVT")

Hm, should this go to net? The commit above is in 5.15 it seems.