linux-kernel - Re: [PATCH net-next 1/3] net: dsa: lan9303: Transmit using ALR when unicast

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Message-ID: <20171101120432.GC12680@lunn.ch>
Date:   Wed, 1 Nov 2017 13:04:32 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Egil Hjelmeland <privat@...l-hjelmeland.no>
Cc:     vivien.didelot@...oirfairelinux.com, f.fainelli@...il.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 1/3] net: dsa: lan9303: Transmit using ALR when
 unicast

On Tue, Oct 31, 2017 at 03:48:00PM +0100, Egil Hjelmeland wrote:
> lan9303_xmit_use_arl() introduced in previous patch set is wrong.
> The chip flood broadcast and unknown multicast frames. The effect is that
> broadcasts and multicasts are duplicated on egress. It is not possible to
> configure the chip to direct unknown multicasts to CPU port only.
> 
> This means that only unicast frames can be transmitted using ALR lookup.
> 
> Signed-off-by: Egil Hjelmeland <privat@...l-hjelmeland.no>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew