linux-kernel - Re: [PATCH net-next 1/2] net: dsa: lan9303: Set up trapping of IGMP to CPU port

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Message-ID: <20171110141000.GD11872@lunn.ch>
Date:   Fri, 10 Nov 2017 15:10:00 +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 1/2] net: dsa: lan9303: Set up trapping of IGMP
 to CPU port

On Fri, Nov 10, 2017 at 12:54:34PM +0100, Egil Hjelmeland wrote:
> IGMP packets should be trapped to the CPU port. The SW bridge knows
> whether to forward to other ports.
> 
> With "IGMP snooping for local traffic" merged, IGMP trapping is also
> required for stable IGMPv2 operation.
> 
> LAN9303 does not trap IGMP packets by default.
> 
> Enable IGMP trapping in lan9303_setup.
> 
> Signed-off-by: Egil Hjelmeland <privat@...l-hjelmeland.no>

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

    Andrew