netdev - Re: [PATCH net-next 6/6] net: dsa: mv88e6xxx: Flood broadcast frames in hardware

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Message-ID: <8760c4t0df.fsf@weeman.i-did-not-set--mail-host-address--so-tickle-me>
Date:   Wed, 27 Sep 2017 15:19:56 -0400
From:   Vivien Didelot <vivien.didelot@...oirfairelinux.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>
Cc:     David Miller <davem@...emloft.net>, netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next 6/6] net: dsa: mv88e6xxx: Flood broadcast frames in hardware

Hi Andrew, Florian,

Andrew Lunn <andrew@...n.ch> writes:

> It took me a while to make this work with CONFIG_BRIDGE_VLAN_FILTERING
> enabled. Any change to enable hardware flooding needs careful testing
> for lots of different configurations. This is another reason i don't
> want to do it at the DSA level, until we have a good understanding
> what it means in each individual driver.

Then if we are worried about how broadcast flooding is handled on
different switches, we can provide a new .flood_broadcast(ds, vid)
switch operation for the drivers to implement.