netdev - Re: [PATCH net] net: dsa: mv88e6xxx: Enable IGMP snooping on user ports only

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Date:   Thu, 30 Mar 2023 05:52:50 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Fabio Estevam <festevam@...il.com>, kuba@...nel.org
Cc:     andrew@...n.ch, olteanv@...il.com, netdev@...r.kernel.org,
        steffen@...osonix.de, Fabio Estevam <festevam@...x.de>
Subject: Re: [PATCH net] net: dsa: mv88e6xxx: Enable IGMP snooping on user
 ports only



On 3/29/2023 8:01 AM, Fabio Estevam wrote:
> From: Steffen Bätz <steffen@...osonix.de>
> 
> Do not set the MV88E6XXX_PORT_CTL0_IGMP_MLD_SNOOP bit on CPU or DSA ports.
> 
> This allows the host CPU port to be a regular IGMP listener by sending out
> IGMP Membership Reports, which would otherwise not be forwarded by the
> mv88exxx chip, but directly looped back to the CPU port itself.
> 
> Fixes: 54d792f257c6 ("net: dsa: Centralise global and port setup code into mv88e6xxx.")
> Signed-off-by: Steffen Bätz <steffen@...osonix.de>
> Signed-off-by: Fabio Estevam <festevam@...x.de>

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